Quick Answer. The structure located beneath the tongue is called the frenulum or lingual frenulum. This thin membrane or band of tissue is oriented vertically to connect the tongue to the bottom of the mouth. Continue Reading.
acronym - a word formed from the initial letters of the several words in the name. 1  snafu - an acronym often used by soldiers in World War II: situation normal all fucked up.
By Richard Nordquist. Definition: A word formed from the initial letters of a name (for example, NATO, from North Atlantic Treaty Organization) or by combining initial letters of a series of words (radar, from radio detection and ranging).Adjective: acronymic.y Richard Nordquist. Definition: A word formed from the initial letters of a name (for example, NATO, from North Atlantic Treaty Organization) or by combining initial letters of a series of words (radar, from radio detection and ranging). Adjective: acronymic.