{i} fundamental element, basic point; bud, part of an organism that is not fully developed
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" the elementary stages of any subject (usually plural); "he mastered only the rudiments of geometry
That which is unformed or undeveloped; the principle which lies at the bottom of any development; an unfinished beginning
the elementary stages of any subject (usually plural); "he mastered only the rudiments of geometry"