Rudiment - Definition
rudiment
n 1: the elementary stages of any subject (usually plural); "he
mastered only the rudiments of geometry" [syn: rudiment,
first rudiment, first principle, alphabet, ABC,
ABC's, ABCs]
2: the remains of a body part that was functional at an earlier
stage of life; "Meckel's diverticulum is the rudiment of the
embryonic yolk sac"