bull header
American
[bool hed-er]
/ ˈbʊl ˌhɛd ər /
noun
Masonry.
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Also called bullnose header. a brick having one of the edges across its width rounded for laying as a header in a sill or the like.
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a brick laid on edge as a header, as in a rowlock.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
