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Webster 1913 Edition

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rop.

Noun.

[L., a screech owl.]

(Zool.)

A genus of owls including the great gray owl (

Ulula cinerea

) of Arctic America, and other similar species. See Illust. of

See also: ulula and ululà

ululá

(Latin America) Informal second-person singular (voseo) affirmative imperative form of ulular.