MORTAR n.
shells, etc., at high angles of elevation, as 45º, and even higher; - - so named from its resemblance in shape to the utensil above described. Mortar bed (Mil.), a framework of wood and iron, suitably hollowed out to receive the breech and trunnions of a mortar. -- Mortar boat or vessel (Naut.), a boat strongly built…
OPERA n.
of the Ginger family, sometimes seen in hothouses. It has curious flowers which have some resemblance to a ballet dancer, whence the popular name. Called also dancing girls. -- Opera glass, a short telescope with concave eye lenses of low power, usually made double, that is, with a tube and set of glasses for each eye…
QUASI n.
As if; as though; as it were; in a manner sense or degree; having some resemblance to; qualified; -- used as an adjective, or a prefix with a noun or an adjective; as, a quasi contract, an implied contract, an obligation which has arisen from some act, as if from a contract; a quasi corporation, a body that has some, b…