b. (in combination): an acidhead; a pothead. 26. (Mining & Quarrying) mining a road driven into the coal face 27. a. the terminal point of a route b. (in combination): railhead. 28. (General Engineering) a device on a turning or boring machine, such as a lathe, that is...
Define turn on its head. turn on its head synonyms, turn on its head pronunciation, turn on its head translation, English dictionary definition of turn on its head. n. 1. a. The uppermost or forwardmost part of the body of a vertebrate, containing the br