This word is acceptable for play in the UK dictionary that is being used in the following games:

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To roar.

n. Same as bull-shot.

n. In stock-raising, a cow of irregular reproductive habit.

"When a cow assumes the appearance of what we term a regular buller -- when she is running every day, or every second or third day, or when one or more retire from the herd and assume the habits of the male -- then, and not till then, does the case become utterly hopeless."

Fuller    fuller    puller   

gira    intorno    vizar    nagus