Meanings
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1
noun
A wide smile that shows the teeth.
A huge grin spread across his face when he won.
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2
verb
To smile widely so that your teeth show.
She grinned happily as she opened the present.
Thesaurus
Etymology
From Middle English grin, grinne, grine, from Old English grin (“snare, noose”), of uncertain origin, but probably from the merger of Proto-West Germanic *garni and *garnī (“intestine”), ultimately from Proto-Germanic *garniz, *garnō (“guts, intestine”). Related to English yarn.
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