a chalk-loving orchid, Anacamptis pyramidalis, bearing a dense cone-shaped spike of purplish-pink flowers with a long curved spur
- Pyramidal muscle of auricle
pyramidal muscle of auricle n. An occasional prolongation of the fibers of the muscle of the tragus to the spine of the helix.
- Pyramidal peak
noun 1. (geology) a sharp peak formed where the ridges separating three or more cirques intersect; horn
- Pyramidal radiation
pyramidal radiation n. The white fibers passing from the cortex of the brain to the pyramidal tract.
pylor- pref. Variant of pyloro-.