noun fu·see \fyü-ˈzē\

Definition of fusee

  1. 1 :  a conical spirally grooved pulley in a timepiece from which a cord or chain unwinds onto a cylinder containing the mainspring and which by its increasing diameter compensates for the lessening power of the spring

  2. 2 :  a red signal flare used especially for protecting stalled trains and trucks

Origin and Etymology of fusee

French fusée, literally, spindleful of yarn, from Old French, from fus spindle, from Latin fusus

First Known Use: 1622

Learn More about fusee

Seen and Heard

What made you want to look up fusee? Please tell us where you read or heard it (including the quote, if possible).


to help become familiar with something

Get Word of the Day daily email!