(computing) Acronym of Organization for the Advancement of Structured Information Standards.

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

A large, deciduous tree, English oak, Quercus robur

(slang, humorous) The time of the first beer (or alcoholic beverage) of the day. / (slang, humorous) Time for a beer (the first of the day or otherwise).

(in bibliographies) Initialism of old series.

(chiefly grammar and lexicography) Initialism of oneself.

Rush hour traffic.

Alternative form of five o'clock shadow

A milky liquid made from oats and used as a milk substitute, cooking ingredient or beverage.

genus Gymnocarpium (syn Thelypteris)