a capful of wind
Also found in: Idioms.
cap·ful
(kăp′fo͝ol′)n. pl. cap·fuls
Idiom: The amount that a cap can hold.
a capful of wind
A sudden breeze.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.