n. A tree or shrub of the genus Quercus, a large and widely dispersed group, chiefly of forest-trees.n. One of various other trees or plants in some respects resembling the oak.n. The wood of an oak-tree.n. One of certain moths: as, the scalloped oak. [British collectors' name.]n. The club at cards.n. The red oak.n. Quercus Emoryi of Texas.n. Same as shingle-oak.n. The Turkey oak.n. Same as cañon live-oak.n. The wall germander, Teucrium Chamædrys.n. Gambel's oak, Q. Gambelii.n. The Texan oak, Q, Texana.n. Same as tarata.n. The mountain white oak, Q. Douglasii.n. Same as Gambel's oak.n. The California white oak, Quercus lobata.n. Same as Texan oak.n. The water-oak, Q. nigra.n. The laurel-oak, Quercus laurifolia.n. See Durand's oak.n. In Australia, a small malvaceous tree, Lagunaria Patersoni. See whitewood.