avast

[ uh-vast, uh-vahst ]
/ əˈvæst, əˈvɑst /

verb (imperative) Nautical.

(used as a command to stop or cease): Avast heaving!

Origin of avast

1675–85; perhaps < Dutch houd vast hold fast (see hold1, fast1)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for avast

British Dictionary definitions for avast

avast
/ (əˈvɑːst) /

sentence substitute

nautical stop! cease!

Word Origin for avast

C17: perhaps from Dutch hou'vast hold fast
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012