haystack

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Definitions from WordNet

Noun haystack has 1 sense

haystack, hayrick, rick - a stack of hay
--₁ is a kind of stack
--₁ has particulars: haycock

Definitions from the Web

Haystack

A haystack refers to a large, tightly packed stack of dried grass or straw, typically used for storing and protecting hay.

Senses:

Noun: A haystack is commonly used to describe a large mound or pile of dried grass or straw, often seen in agricultural fields.
Noun: In computing, haystack can refer to a software technique used to efficiently retrieve desired information from a large collection of data.

1. Noun: A stack of dried grass/straw:

Sample sentences:

The farmer gathered all the hay and built a massive haystack in the field.
In the countryside, you often see picturesque scenes of haystacks dotting the landscape.

2. Noun: Computing technique:

Sample sentences:

The search engine utilized a sophisticated haystack algorithm to quickly fetch relevant results.
By implementing a quality search index, the website significantly reduced the time taken to find the needle in the haystack.