definitions

mast-

variant of masto- before a vowel: mastectomy.

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Talk Like A Sailor: 9 Fascinating Nautical TermsIn sailing, a moonraker is a light square sail set at the top of the mast. But this term is also a demonym for people from Wiltshire, England.
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Talk Like A Sailor: 9 Fascinating Nautical TermsIn sailing, a moonraker is a light square sail set at the top of the mast. But this term is also a demonym for people from Wiltshire, England.
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Nearby words

mast clamp, mast cloth, mast hasp, mast house, mast leukocyte, mast-, mastaba, mastadenitis, mastadenoma, mastadenovirus, mastalgia
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for mast-

mast-

combining form

a variant of masto-
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

Medicine definitions for mast-

mast-

pref.

Variant ofmasto-
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.