rudiment: Meaning and Definition of

ru•di•ment

1. Usually, the rudiments of grammar.
1. the elements or first principles of a subject:the rudiments of grammar.
2. a mere beginning, first slight appearance, or undeveloped or imperfect form of something:the rudiments of a plan.
2. an organ or part incompletely developed in size or structure, as one in an embryonic stage, one arrested in growth, or one with no functional activity, as a vestige.