Definition of haystack
1 : a stack of hay
2 : a vertical standing wave in turbulent river waters
Recent Examples of haystack from the Web
Trying to find somebody to work in this place is like finding a needle in a haystack, even at $15 an hour.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'haystack'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of haystack
HAYSTACK Defined for English Language Learners
Definition of haystack for English Language Learners
: a large pile of hay
HAYSTACK Defined for Kids
Definition of haystack for Students
: a large pile of hay stored outdoors
Seen and Heard
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