1. tall graceful deciduous California oak having leathery leaves and slender pointed acorns • Syn: California white oak, valley oak, valley white oak, Quercus lobata • Hypernyms: white oak 2. large tree of Trinidad and Guyana having odd-pinnate leaves and violet-scented axillary racemes of yellow flowers and long smooth pods; grown as a specimen in parks and large gardens • Syn: Platymiscium trinitatis • Hypernyms: quira