Medical Dictionary
3 ENTRIES FOUND:

pyramid

noun pyr·a·mid \ˈpir-ə-ˌmid\

Definition of PYRAMID

1
:  a polyhedron having for its base a polygon and for faces triangles with a common vertex
2
:  an anatomical structure resembling a pyramid: as a :  renal pyramid b :  either of two large bundles of motor fibers from the cerebral cortex that reach the medulla oblongata and are continuous with the corticospinal tracts of the spinal cord c :  a conical projection making up the central part of the inferior vermis of the cerebellum
March 27, 2015
quiescent Hear it
Tranquilly at rest or causing no trouble
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears