oak

Meanings

1. 1
   noun

   A deciduous tree with distinctive deeply lobed leaves, acorns, and notably strong wood, typically of England and northeastern North America, included in genus Quercus.

   It was not far from the house; but the ground sank into a depression there, and the ridge of it behind shut out everything except just the roof of the tallest hayrick. As one sat on the sward behind the elm, with the back turned on the rick and nothing in front but the tall elms and the oaks in the other hedge, it was quite easy to fancy it the verge of the prairie with the backwoods close by.

2. 2
   noun

   The outer (lockable) door of a set of rooms in a college or similar institution. (Often in the phrase sport one's oak.)

   [E]very set of rooms has two doors, and I soon learned that the outer door, which is thick and solid, is called the oak, and to shut it is termed, to sport.

3. 3
   adj

   Made of oak wood or timber.

   an oak table, oak beam, etc.

4. 4
   prep_phrase

   Initialism of of a kind.

   In poker, 3 OAK beats two pair.

5. 5
   noun

   a deciduous tree of the genus Quercus

6. 6
   noun

   the hard durable wood of any oak

7. 7
   noun

   The wood of the oak.

8. 8
   noun

   A rich brown color, like that of oak wood.

Etymology

Inherited from Middle English ake, hok, oek, ok, oke, from Old English aac, āc, ǣċ, from Proto-West Germanic *aik, from Proto-Germanic *aiks (“oak”), from Proto-Indo-European *h₂eyǵ- (“oak”). Cognates From Proto-Germanic: Scots aik, ake, yik (“oak”), North Frisian iake, iik (“oak”), Saterland Frisian Eeke (“oak”), West Frisian iik (“oak”), Cimbrian aicha, oach (“oak”), Dutch eik (“oak”), German Eiche (“oak”), Luxembourgish Eech (“oak”), Vilamovian aach, aeh́, ǡh́ (“oak”), Danish eg (“oak”), Faroese, Icelandic, and Norwegian Nynorsk eik (“oak”), Norwegian Bokmål eik, ek (“oak”), Swedish ek (“oa…