(v) :
(proscribed) Alternative form of home in. [(military, of an aircraft or guided missile, often with 'on') To draw close to a destination, especially using radar; to move towards a target.]
(v) :
(proscribed) Alternative form of home in. [(military, of an aircraft or guided missile, often with 'on') To draw close to a destination, especially using radar; to move towards a target.]