3 occurrences in 3 dictionaries
Reference: Cow
Easton
A cow and her calf were not to be killed on the same day (Le 22:28; Ex 23:19; De 22:6-7). The reason for this enactment is not given. A state of great poverty is described in the words of Isa 7:21-25, where, instead of possessing great resources, a man shall depend for the subsistence of himself and his family on what a single cow and two sheep could yield.
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Morish
The words used, except in Isa 7:21, do not necessarily imply the female, the same Hebrew being employed for 'bullock,' ' herd,' etc. the gender being shown by the context.
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Smith
Cow.
[BULL]
See Bull, Bullock