IPA: /rɪˈtrɪm/
KK: /rɪˈtrɪm/
To cut or remove parts from something again, usually to improve its shape or appearance.
After the first haircut, I decided to retrim my bangs for a better look.
Past: retrimmed
Past Participle: retrimmed
Retrim → It is formed from "re-" (meaning again) and "trim" (from Old English "trymman", meaning to make firm or to arrange). The word "retrim" means to trim or arrange something again.
Think of doing something 'again' ('re-') to 'arrange' ('trim') it — that's why retrim means to arrange it once more.