1. moo - Noun
2. moo - Verb
3. moo - Interjection
5. Moo - Proper noun
See Mo.
To make the noise of a cow; to low; -- child's word.
The lowing of a cow.
Source: Webster's dictionaryTaxation, gentlemen, is very much like dairy farming. The task is to extract the maximum amount of milk with the minimum amount of moo. Terry Pratchett
Moo may represent an idea, but only the cow knows. Mason Cooley
As for my own experience, I began with Moo and Marley, a black Mini Lop whose ears are set on permanent flop. Source: Internet
For animal sounds, words like quack ( duck ), moo ( cow ), bark or woof ( dog ), roar ( lion ), meow miaow or purr ( cat ), cluck ( chicken ) and baa ( sheep ) are typically used in English. Source: Internet
Douglas J. Moo, The Epistle to the Romans (Eerdmans, 1996), 748. It is a transformation so radical that it amounts to a “a transfiguration of your brain,” a " metanoia ", a “mental revolution.” Source: Internet
However, Michael Palin writes in his diary 16 July 1976 that Warren Mitchell told him that "silly moo" wasn't scripted, "It came out during a rehearsal when he forgot the line "Silly old mare"." Source: Internet