संस्‍कृतशब्‍दकोशः

Monier–Williams

त्रिवलि — {vali} mfn. having 3 folds or incisions KātyŚr. vii, 3, 29##f. in comp. the 3 folds over a woman's navel (regarded as a beauty) VarBṛS. lxx, 5 Ṛitus. GarP