(poker) plural of post oak bluff

(In both the 12-hour clock and the 24-hour clock) The start of the tenth hour of the day; 9:00 a.m. (09:00).

(uncountable) A flexible material akin to thick paper. / (countable) A rectangular sheet of this material. / (uncountable) Poster board.

(uncountable) A flexible material akin to thick paper. / (countable) A rectangular sheet of this material.

(Germanic paganism) A ring (particularly an arm ring) on which oaths are sworn.

(uncountable, informal, medicine, initialism, acronym) Obstetrics and gynecology. / (countable, initialism, acronym) A physician in these specialties; an obstetrician-gynecologist.

To contribute toward a group effort.

An oak, Quercus coccifera, native to the western Mediterranean region and growing 1-6 meters tall.

A species of oak tree native to the eastern USA (Quercus montana, syn. Quercus prinus).

(historical) An oath asserting the right of the present royal family to the crown of England, and expressly abjuring allegiance to the descendants of Charles Edward Stuart, the Jacobite Pretender.