n. A natural child; a child begotten and born out of wedlock; an illegitimate or spurious child.n. In sugar-refining: A large mold into which sugar is drained.n. An impure, coarse brown sugar made from the refuse syrup of previous boilings.n. An animal of inferior breed; a mongrel.n. A kind of woolen cloth, probably of inferior quality, or of unusual width, or both.n. A kind of war-vessel used in the middle ages, probably of unusual size.n. In the seventeenth century, a small cannon, otherwise known as a bastard culverin (which see, under culverin).n. A sweet Spanish wine resembling muscadel; any kind of sweetened wine.n. In falconry, a kind of hawk.n. A local name of Kemp's gulf-turtle, Thalassochelys (Colpochelys) kempi, of the Gulf of Mexico.Begotten and born out of wedlock; illegitimate: as, a bastard child.Mongrel; hybrid: as, a bastard brood.Unauthorized; unrecognized: as, “bastard officers before God,”Spurious; not genuine; false; supposititious; adulterate: as, “bastard hope,” ; “bastard honours,”Having the appearance of being genuine; resembling in some degree: an epithet applied especially in botany, zoölogy, medicine, etc., to things which resemble, but are not identical with, the things named: as, bastard mahogany, bastard pimpernel, bastard caddis, bastard marble, bastard measles, etc. See phrases below. Also bastardly.Of abnormal or irregular shape or size; of unusual make or proportions: applied to guns, ships, swords: as, bastard culverin, bastard galley, etc. See phrases.A local English name (in Weymouth) of the variegated sole, Solea variegata.To declare to be a bastard; stigmatize as a bastard; bastardize.