Synonyms of the word

acantha

• n. (botany) A prickle.
• n. (zoology) A spine or prickly fin.
• n. (anatomy) A spinous process of a vertebra.

projection

• n. Something which projects, protrudes, juts out, sticks out, or stands out.
• n. The action of projecting or throwing or propelling something.
• n. The display of an image by devices such as movie projector, video projector, overhead projector or slide…
• n. A forecast or prognosis obtained by extrapolation.
• n. (psychology) A belief or assumption that others have similar thoughts and experiences as oneself.
• n. (photography) The image that a translucent object casts onto another object.
• n. (cartography) Any of several systems of intersecting lines that allow the curved surface of the earth…
• n. (geometry) An image of an object on a surface of fewer dimensions.
• n. (linear algebra) An idempotent linear transformation which maps vectors from a vector space onto a subspace.
• n. (mathematics) A transformation which extracts a fragment of a mathematical object.
• n. (category theory) A morphism from a categorical product to one of its (two) components.

spine

• n. The series of bones situated at the back from the head to the pelvis of a person, or from the head to…
• n. Something resembling a backbone, such as a ridge, or a long, central structure from which other structures…
• n. A pointed, fairly rigid protuberance or needle-like structure on an animal, shell, or plant.
• n. (figuratively) Courage or assertiveness.
• n. The stiffness of an arrow.

spur

• n. A rigid implement, often roughly y-shaped, that is fixed to one's heel for the purpose of prodding a horse…
• n. Anything that inspires or motivates, as a spur does to a horse.
• n. An appendage or spike pointing rearward, near the foot, for instance that of a rooster.
• n. Any protruding part connected at one end, for instance a highway that extends from another highway into…
• n. Roots, tree roots.
• n. A mountain that shoots from another mountain or range and extends some distance in a lateral direction,…
• n. A spiked iron worn by seamen upon the bottom of the boot, to enable them to stand upon the carcass of…
• n. (carpentry) A brace strengthening a post and some connected part, such as a rafter or crossbeam; a strut.
• n. (architecture) The short wooden buttress of a post.
• n. (architecture) A projection from the round base of a column, occupying the angle of a square plinth upon…
• n. Ergotized rye or other grain.
• n. A wall in a fortification that crosses a part of a rampart and joins to an inner wall.
• n. (shipbuilding) A piece of timber fixed on the bilgeways before launching, having the upper ends bolted…
• n. (shipbuilding) A curved piece of timber serving as a half to support the deck where a whole beam cannot…
• n. (mining) A branch of a vein.
• v. To prod (especially a horse) on the side or flank, with the intent to urge motion or haste, to gig.
• v. To urge or encourage to action, or to a more vigorous pursuit of an object; to incite; to stimulate; to…
• v. To put spurs on.
• n. (Scotland) A sparrow.
• n. A tern.
• n. (electronics) A spurious tone, one that interferes with a signal in a circuit and is often masked underneath…
• n. The track of an animal, such as an otter; a spoor.