(architecture) A dome-shaped ornamental structure located on top of a larger roof or dome. / (military, railroad) A small turret, usually on a hatch of an armoured fighting vehicle.

(Australian rules football) To fend off an opponent by holding an arm out straight and pushing in their chest.

Any of various large carnivorous lizards of the family Varanidae, all of whose extant species are of genus Varanus, native to Africa, Asia and Australia.

(semiconductor industry) Initialism of extremely thin silicon-on-insulator.