fraenum

[ free-nuhm ]

noun

, Chiefly British.

, plural frae·na [free, -n, uh].

1. a variant of frenum.

fraenum

/ ˈfriːnəm /

noun

1. a fold of membrane or skin, such as the fold beneath the tongue, that supports an organ

Word History and Origins

Origin of fraenum¹

C18: from Latin: bridle