Definition that contains acorn
- oak a deciduous tree of the genus Quercus; has acorns and lobed leaves
- mast nuts of forest trees (as beechnuts and acorns) accumulated on the ground
- ctenophora comb jellies; sea acorns; a small phylum formerly considered a class of Coelenterata
- quercus shumardii large deciduous red oak of southern and eastern United States having large seven-lobed to nine-lobed elliptical leaves, large acorns and medium hard coarse-grained wood
- shumard oak large deciduous red oak of southern and eastern United States having large seven-lobed to nine-lobed elliptical leaves, large acorns and medium hard coarse-grained wood
- oak tree a deciduous tree of the genus Quercus; has acorns and lobed leaves
- arizona white oak semi-evergreen shrub or small tree of Arizona and New Mexico having acorns with hemispherical cups
- cupule cup-shaped structure of hardened bracts at the base of an acorn
- valley white oak tall graceful deciduous California oak having leathery leaves and slender pointed acorns
- quercus lobata tall graceful deciduous California oak having leathery leaves and slender pointed acorns