- Usually rudiments.
- the elements or first principles of a subject: the rudiments of grammar.
- a mere beginning, first slight appearance, or undeveloped or imperfect form of something: the rudiments of a plan.
- 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.
- the first principles or elementary stages of a subject
- a partially developed version of something
- an organ or part in its earliest recognizable form, esp one in an embryonic or vestigial state
