One entry found for clearance.
Main Entry: clear·ance
Pronunciation: klir-n(t)s
Function: noun 1 a: an act or process of clearing b: the act of clearing a ship at the customhouse c: the papers showing that a ship has cleared d: authorization for an airplane to proceed 2: a sale to clear out stock 3: the distance by which one object keeps from hitting or touching another or the clear space between them