oo-

¹

1. a combining form meaning “egg,” used in the formation of compound words:

   oogamous.

o'o

²

or 'ō·'ō

[ oh-oh ]

noun

, plural o’·os.

1. any of several species of Hawaiian birds of the extinct genus Moho, especially the extinct M. nobilis ( Hawaiian o'o ), which had black plumage and two tufts of yellow plumes used to make ceremonial robes for the Hawaiian kings. The last surviving species was M. braccatus ( Kauai o'o ), classified as extinct in 1987.

oo-

combining_form

1. egg or ovum

   oosperm

Word History and Origins

Origin of oo-¹

< Greek ōio-, combining form of ōión egg ¹

Origin of oo-²

First recorded in 1885–90; from Hawaiian ʿōʿō

Word History and Origins

Origin of oo-¹

from Greek ōion egg ¹

Example Sentences

Macnamara, the man 'oo polled the 'ighest votes in the School Board Election—and look at him now!

From Project Gutenberg

"Et Ned sit on oo knee, papa," pleaded the baby, and was at once lifted to the desired place.

From Project Gutenberg

He lifted his head at a distant call, a high, clear, sweet "Oh-hoo-oo-oo" repeated twice.

From Project Gutenberg

"Quite true-oo," repeated the dove, perching in the hawthorn.

From Project Gutenberg

But oo must not know zees sings, zey are secrets; and we must keep them flom nauty dallars.

From Project Gutenberg