Axis

Noun

 * 1)  An imaginary line around which an object spins (an axis of rotation) or is symmetrically arranged (an axis of symmetry).
 * 2)  A fixed one-dimensional figure, such as a line or arc, with an origin and orientation and such that its points are in one-to-one correspondence with a set of numbers; an axis forms part of the basis of a space or is used to position and locate data in a graph (a coordinate axis).
 * 3)  The second cervical vertebra of the spine.
 * 4)  a deer native to Asia.

Thesaurus
partnership; pedicel; peduncle; perpendicular; petiole; petiolule; petiolus; pin; pintle; pith; pivot; pole; political machine; radiant; radius; radius vector; reed; rest; resting point; right line; ring; rowlock; secant; seedstalk; segment; shortcut; side; society; spear; spindle; spire; stalk; stem; stipe; stock; storm center; straight; straight course; straight line; straight stretch; straightaway; straw; streamline; swivel; tangent; thole; tholepin; tigella; transversal; trunk; trunnion; umbilicus; union; vector; yaw; Bund; Rochdale cooperative; air line; alliance; anthrophore; arbor; assemblage; association; axle; axle bar; axle shaft; axle spindle; axle-tree; band; bearing; beeline; bloc; body; bole; cane; carpophore; caudex; caulicle; caulis; center; center of action; center of gravity; centroid; centrum; chord; coalition; college; combination; combine; common market; confederacy; confederation; consumer cooperative; cooperative; cooperative society; core; corps; council; credit union; culm; customs union; dead center; diagonal; diameter; direct line; directrix; distaff; economic community; edge; epicenter; federation; footstalk; free trade area; fulcrum; funicule; funiculus; gang; gimbal; great-circle course; group; grouping; gudgeon; haulm; heart; hinge; hingle; horizontal axis; hub; kernel; leafstalk; league; machine; mandrel; marrow; medulla; metacenter; middle; mob; nave; navel; normal; nub; nucleus; oarlock; omphalos;

Etymology
From axis:

Synonyms

 * epistropheus

Coordinate terms

 * atlas

Derived terms

 * axis of evil
 * axis of rotation
 * axis of symmetry
 * coordinate axis
 * imaginary axis
 * major axis
 * minor axis


 * real axis
 * semi-major axis
 * semi-minor axis
 * x-axis
 * y-axis
 * z-axis

Related terms

 * axial, axially
 * axile

Synonyms

 * chital, cheetal, chital deer, spotted deer, axis deer