Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

WORD ORIGIN

1942, "Marine and Navy usage for any old thing you can't put a name to" ["Life" magazine, July 30, 1945], of unknown origin, perhaps a made-up word.

MORE RELATED WORDS FOR GIZMO

apparatus

nounequipment with a purpose
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.