Plural form of deer, referring to multiple deer animals.
Old English 'deor' originally meant 'animal' generically before narrowing to specifically mean deer. The plural in modern English is usually 'deer' (unchanged), but 'deers' has been used when referring to multiple species or in some dialects.
English is weird: we say 'one deer, two deer' just like 'one sheep, two sheep,' but we'll gladly say 'deers' when we want to emphasize multiple different species—language rebels against its own rules.
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