Synonyms for rudiment

Noun

1. rudiment, first rudiment, first principle, alphabet, ABC, ABC's, ABCs, fundamentals, basics, fundamental principle, basic principle, bedrock

usage: the elementary stages of any subject (usually plural); "he mastered only the rudiments of geometry"

2. rudiment, body part

usage: 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"