n.; pl.Gonads [ Gr. &unr_; that which generates. ] (Anat.) One of the masses of generative tissue primitively alike in both sexes, but giving rise to either an ovary or a testis; a generative gland; a germ gland. Wiedersheim. [ 1913 Webster ]
n. (Physiology) A hormone secreted by the pituitary gland and placenta, which stimulates the gonads and controls reproductive activity. Syn. -- gonadotropic hormone. [ WordNet 1.5 ]
n. [ It., dim. of gonda a gondola; cf. LL. gandeia a kind of boat, Gr. &unr_; a drinking vessel; said to be a Persian word; cf. F. gondole gondola, cup. ] [ 1913 Webster ]
1. A long, narrow boat with a high prow and stern, used in the canals of Venice. A gondola is usually propelled by one or two oarsmen who stand facing the prow, or by poling. A gondola for passengers has a small open cabin amidships, for their protection against the sun or rain. A sumptuary law of Venice required that gondolas should be painted black, and they are customarily so painted now. [ 1913 Webster ]
2. A flat-bottomed boat for freight. [ U. S. ] [ 1913 Webster ]
3. A long platform car, either having no sides or with very low sides, used on railroads. [ U. S. ] [ 1913 Webster ]
4. (Aëronautics) An elongated car under a dirigible. [ Webster 1913 Suppl. ]
prop. n. 1. A hypothetical continent that (according to plate tectonic theory) broke up later into India and Australia and Africa and South America and Antarctica. See plate tectonics. [ WordNet 1.5 ]
(n) tall tropical American timber tree especially abundant in eastern Brazil; yields hard strong durable zebrawood with straight grain and dark strips on a pinkish to yellowish ground; widely used for veneer and furniture and heavy construction, Syn.Astronium fraxinifolium
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