Reference meaning
flip-up
Last updated
Of sunglasses: having lenses that can be pushed upward and out of the frame, so that the glasses need not be removed in darker areas such as indoors.
Source and scope
This definition is reproduced from English Wiktionary, sense en-flip-up-en-adj-aknU4O5Q, under the CC BY-SA 4.0. It has not yet received VocabularyBase editorial review. Read the source and license details.