Definitions of rudimentary:
- adjective: being in the earliest stages of development
Example: "Rudimentary plans"
- adjective: being or involving basic facts or principles
Example: "These rudimentary truths"
- adjective: not fully developed in mature animals
Example: "Rudimentary wings"
Search for rudimentary at other dictionaries: OneLook, Oxford, American Heritage, Merriam-Webster, Wikipedia