a stack of hay with a conical or ridged top, built up in the mowed field so as to prevent the accumulation of moisture and promote drying.

Also especially British, hayrick.

Origin of haystack

1425–75; late Middle English. See hay, stack
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for haystack

hay, pile, stack, hayrick, sheaf, rick, haycock

Examples from the Web for haystack

Historical Examples of haystack

British Dictionary definitions for haystack


hayrick (ˈheɪˌrɪk)


a large pile of hay, esp one built in the open air and covered with thatch
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

Word Origin and History for haystack

mid-15c., from hay + stack (n.).

Online Etymology Dictionary, © 2010 Douglas Harper

Idioms and Phrases with haystack


see needle in a haystack.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.