A cow is called 'une vache' in French.
Cow manure is "le fumier" (masc.) in French.
The French word for cow is 'Vache', and would be used to refer to the female.
The little cow is "la petite vache" in French. The calf is "le veau".
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you spell it vache
Rancheur.
vache sacrée
la vaca
'la vache' means 'the cow' in French. As an exclamative phrase, it expresses surprise, something along the line of 'holy cow!'
French kids use the expression 'grosse vache' for the English 'big fat cow'.