SIGMET

noun
SIG·​MET
variants: or less commonly sigmet \ ˈsig-​ˌmet How to pronounce sigmet (audio) \
plural SIGMETs also sigmets

Definition of SIGMET

: a notice of significant hazardous weather conditions (such as extreme turbulence, icing, or poor visibility) in a large area that is provided to the pilot of an aircraft before takeoff — compare airmet

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History and Etymology for SIGMET

significant meteorological information

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Cite this Entry

“SIGMET.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/SIGMET. Accessed 8 December 2019.

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