Definition of rudiment

• n. - That which is unformed or undeveloped; the principle which lies at the bottom of any development; an unfinished beginning.
• n. - Hence, an element or first principle of any art or science; a beginning of any knowledge; a first step.
• n. - An imperfect organ or part, or one which is never developed.
• v. t. - To furnish with first principles or rules; to insrtuct in the rudiments.