haystack

As a noun haystack

is a mound, pile, or stack of stored hay.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between haybale and haystack

is that haybale is a bale of hay while haystack is a mound, pile, or stack of stored hay.

As nouns the difference between needle and haystack

is that needle is a long, thin, sharp implement usually for piercing such as sewing, or knitting, acupuncture, tattooing, body piercing, medical injections etc while haystack is a mound, pile, or stack of stored hay.

As a verb needle

is to pierce with a needle, especially for sewing or acupuncture.

As nouns the difference between haywain and haystack

is that haywain is haywagons while haystack is a mound, pile, or stack of stored hay.

As nouns the difference between rick and haystack

is that rick is a stack, stook or pile of grain, straw, hay etc., especially as protected with thatching while haystack is a mound, pile, or stack of stored hay.

As a verb rick

is to heap up (hay, etc.) in ricks.

As a proper noun Rick

is a diminutive=Richard given name, or sometimes of related names, such as {{term|Ricardo}}.

As nouns the difference between hayloft and haystack

is that hayloft is the upper storey of a barn used for storing hay while haystack is a mound, pile, or stack of stored hay.

Haystock is often a misspelling of haystack.

Haystock has no English definition.

As a noun haystack is

a mound, pile, or stack of stored hay.

As nouns the difference between haystack and haystalk

is that haystack is a mound, pile, or stack of stored hay while haystalk is a stalk of hay.

As nouns the difference between taxonomy and haystack

is that taxonomy is the science or the technique used to make a classification while haystack is a mound, pile, or stack of stored hay.