M / mōtăcilla
noun

mōtăcilla

gen. mōtăcillae · gender feminine · decl. 1st
the white water-wagtail
the white water-wagtail: motacilla, quod semper movet caudam, Varr. L. L. 5, § 76 Müll.; Plin. 37, 10, 56, § 156; Arn. 7, 223.