1. thumbpick - Noun
2. thumbpick - Verb
thumbpick (plural thumbpicks)
(music) A type of plectrum that clips on to, or wraps around the end of the thumb.
thumbpick (third-person singular simple present thumbpicks, present participle thumbpicking, simple past and past participle thumbpicked)
(music) To use the thumb to pluck individual strings of a stringed instrument, usually to supply the bass part.