grins is a form of:

Grin



noun
1.
ការញញឹមសើចស្ញាញ
verbpast tense: grinned ; past participle: grinned ; present participle: grinning ;
1.
(INTRANSITIVE) ~ (at somebody) ~ (with something) (to draw back the lips or show teeth in a smile, or as though in a smile) ញញឹមសើចស្ញាញ
ENGLISH MEANING
noun
1.
The act of closing the teeth and showing them, or of withdrawing the lips and showing the teeth; a hard, forced, or sneering smile.
verbpast tense: grinned ; past participle: grinned ; present participle: grinning ;
1.
(INTRANSITIVE) To set the teeth together and open the lips, or to open the mouth and withdraw the lips from the teeth, so as to show them, as in laughter, scorn, or pain.
2.
(INTRANSITIVE) To show the teeth, as a dog; to snarl.
3.
(TRANSITIVE) To express by grinning.
1.
A snare, a gin