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frenum

The definition of a frenum is a fold of skin or a mucous membrane that limits or controls the movement of an organ or body part.

(noun)

The small piece of pink skin that attaches the tongue to the bottom of the mouth is an example of a frenum.

See frenum in Webster's New World College Dictionary

noun pl. frenums or frena

a fold of skin or mucous membrane that checks or controls the movement of an organ or part, as the fold under the tongue

Origin: L, lit., a bridle < IE base *dher-, to hold > firm

See frenum in American Heritage Dictionary 4

noun pl. fre·nums or fre·na (-nə)

A membranous fold of skin or mucous membrane that supports or restricts the movement of a part or organ, such as the small band of tissue that connects the underside of the tongue to the floor of the mouth.

Origin:

Origin: Latin frēnum, bridle

Origin: , from frendere, to grind; see ghrendh- in Indo-European roots

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