NEEDLE n.
er, and upon which the weight of the wall rests, when a building is shored up to allow of alterations in the lower part. -- Needle furze (Bot.), a prickly leguminous plant of Western Europe; the petty whin (Genista Anglica). -- Needle gun, a firearm loaded at the breech with a cartridge carrying its own fulminate, wh…
OAK n.
Any tree or shrub of the genus Quercus. The oaks have alternate leaves, often variously lobed, and staminate flowers in catkins. The fruit is a smooth nut, called an acorn, which is more or less inclosed in a scaly involucre called the cup or cupule. There are now recognized about three hundred species, of which nearly…
OOPHORE; OOEPHORE n.
An alternately produced form of certain cryptogamous plants, as ferns, mosses, and the like, which bears antheridia and archegonia, and so has sexual fructification, as contrasted with the sporophore, which is nonsexual, but produces spores in countless number. In ferns the oöphore is a minute prothallus; in mosses it…
OR conj.
A particle that marks an alternative; as, you may read or may write, -- that is, you may do one of the things at your pleasure, but not both. It corresponds to either. You may ride either to London or to Windsor. It often connects a series of words or propositions, presenting a choice of either; as, he may study law, o…