Synonyms of the word

theca

• n. (biology) Any external case or sheath.
• n. (botany) The pollen producing organ usually found in pairs and forming an anther.
• n. (medicine) The twin layers of cells surrounding the basal lamina of an ovarian follicle.
• n. (microbiology, planktology) The membrane complex enveloping the cells of certain plankton including diatoms…
• n. (marine biology) The calcareous wall of a corallite, the exoskeleton of a coral polyp.

case

• n. An actual event, situation, or fact.
• n. (now rare) A given condition or state.
• n. A piece of work, specifically defined within a profession.
• n. (academia) An instance or event as a topic of study.
• n. (law) A legal proceeding, lawsuit.
• n. (grammar) A specific inflection of a word depending on its function in the sentence.
• n. (grammar, uncountable) Grammatical cases and their meanings taken either as a topic in general or within…
• n. (medicine) An instance of a specific condition or set of symptoms.
• n. (programming) A section of code representing one of the actions of a conditional switch.
• v. (obsolete) To propose hypothetical cases.
• n. A box that contains or can contain a number of identical items of manufacture.
• n. A box, sheath, or covering generally.
• n. A piece of luggage that can be used to transport an apparatus such as a sewing machine.
• n. An enclosing frame or casing.
• n. A suitcase.
• n. A piece of furniture, constructed partially of transparent glass or plastic, within which items can be…
• n. The outer covering or framework of a piece of apparatus such as a computer.
• n. (printing, historical) A shallow tray divided into compartments or "boxes" for holding type, traditionally…
• n. (typography, by extension) The nature of a piece of alphabetic type, whether a “capital” (upper case)…
• n. (poker slang) Four of a kind.
• n. (US) A unit of liquid measure used to measure sales in the beverage industry, equivalent to 192 fluid…
• n. (mining) A small fissure which admits water into the workings.
• n. A thin layer of harder metal on the surface of an object whose deeper metal is allowed to remain soft.
• adj. (poker slang) The last remaining card of a particular rank.
• v. (transitive) To place (an item or items of manufacture) into a box, as in preparation for shipment.
• v. (transitive) To cover or protect with, or as if with, a case; to enclose.
• v. (transitive, informal) To survey (a building or other location) surreptitiously, as in preparation for…

cover

• n. A lid.
• n. A hiding from view.
• n. A front and back of a book, magazine, CD package, etc.
• n. A top sheet of a bed.
• n. A cover charge.
• n. A setting at a restaurant table or formal dinner.
• n. (music) A rerecording of a previously recorded song; a cover version; a cover song.
• n. (cricket) A fielding position on the off side, between point and mid off, about 30° forward of square;…
• n. (topology) A set (more often known as a family) of sets, whose union contains the given set.
• n. (philately) An envelope complete with stamps and postmarks etc.
• n. (military) A solid object, including terrain, that provides protection from enemy fire.
• n. (law) In commercial law, a buyer’s purchase on the open market of goods similar or identical to the goods…
• n. (insurance) An insurance contract; coverage by an insurance contract.
• n. (espionage) A persona maintained by a spy or undercover operative, cover story.
• n. The portion of a slate, tile, or shingle that is hidden by the overlap of the course above.
• n. In a steam engine, the lap of a slide valve.
• adj. Of or pertaining to the front cover of a book or magazine.
• adj. (music) Of, pertaining to, or consisting of cover versions.
• v. (transitive) To place something over or upon, as to conceal or protect.
• v. (transitive) To be over or upon, as to conceal or protect.
• v. (transitive) To be upon all of, so as to completely conceal.
• v. (transitive) To set upon all of, so as to completely conceal.
• v. (transitive) To invest (oneself with something); to bring upon (oneself).
• v. (of a publication) To discuss thoroughly; to provide coverage of.
• v. To deal with.
• v. To be enough money for.
• v. (intransitive) To act as a replacement.
• v. (transitive) To have as an assignment or responsibility.
• v. (music) To make a cover version of (a song that was originally recorded by another artist).
• v. (military, law enforcement) To protect using an aimed firearm and the threat of firing; or to protect…
• v. To provide insurance coverage for.
• v. To copulate with (said of certain male animals such as dogs and horses).
• v. (chess, transitive) To protect or control (a piece or square).
• v. To extend over a given period of time or range, to occupy, to stretch over a given area.

covering

• n. (countable) That which covers something.
• n. (uncountable) Action of the verb to cover.
• v. present participle of cover.

sac

• n. A bag or pouch inside a plant or animal that typically contains a fluid.
• v. (transitive, informal, games) To sacrifice.
• n. (transitive, informal, games) A sacrifice.
• n. (Britain, law, obsolete) The privilege, formerly enjoyed by the lord of a manor, of holding courts, trying…

sheath

• n. A scabbard; a holster for a sword.
• n. Anything that has a similar shape to a scabbard for a sword that is for the purpose of holding an object…
• n. The insulating outer cover of an electrical cable.
• n. A tight-fitting dress.
• n. (Britain) A condom.
• n. The foreskin of certain animals, e.g. dogs and horses.
• n. The base of a leaf when sheathing or investing a stem or branch, as in grasses.
• n. One of the elytra of an insect.
• v. To put an object (especially a weapon, in particular, a sword) into its sheath.