Moo Very Common

the sound made by a cow or bull

"The gentle moo from behind the barn fence signaled that Farmer Joe had arrived to feed his herd."

The characteristic lowing sound made by cattle.

"After hours of arguing over whether pineapple belongs on pizza, we finally agreed that it was a mere moo and moved on to dessert."

Initialism of matter of opinion.

make a low noise, characteristic of bovines

"The cow let out a loud moo when she saw her calf running toward her."

Of a cow or bull, to make its characteristic lowing sound.

"The herd of cattle mooed loudly as they approached the fence line at dusk."

The characteristic sound made by a cow or bull.

"The farmer whistled softly to guide his herd, and soon they responded with their familiar lowing moo."

Initialism of Master of Orion.

"The Moo family has lived on that farm for three generations."

A surname​.