| sea saurian | <zoology> Any marine saurian; especially. <paleontology> The large extinct species of Mosasaurus, Icthyosaurus, Plesiosaurus, and related genera. Source: Websters Dictionary (01 Mar 1998) |
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| sea scorpion | <zoology> A European sculpin (Cottus scorpius) having the head armed with short spines. The scorpene. Source: Websters Dictionary (01 Mar 1998) |
| sea scurf | <zoology> Any bryozoan which forms rounded or irregular patches of coral on stones, seaweeds, etc. Source: Websters Dictionary (01 Mar 1998) |
| sea scurvy | Disease caused by Vitamin C deficiency. The effects are due to a failure of the hydroxylation of proline residues in collagen synthesis and the consequent failure of fibroblasts to produce mature collagen. See: hydroxyproline. (18 Nov 1997) |
| sea serpent | 1. <zoology> Any marine snake. See Sea snake. 2. <zoology> A large marine animal of unknown nature, often reported to have been seen at sea, but never yet captured. Many accounts of sea serpents are imaginary or fictitious; others are greatly exaggerated and distorted by incompetent observers; but a number have been given by competent and trustworthy persons, which indicate that several diverse animals have been called sea serpents. Among these are, apparently, several large snakelike fishes, as the oar fish, or ribbon fish (Regalecus), and huge conger eels. Other accounts probably refer to the giant squids (Architeuthis). Some of the best accounts seem to describe a marine saurian, like the fossil Mosasauri, which were large serpentlike creatures with paddles. Source: Websters Dictionary (01 Mar 1998) |
| sea slater | <zoology> Any isopod crustacean of the genus Ligia. Source: Websters Dictionary (01 Mar 1998) |
| sea slug | <zoology> A holothurian. A nudibranch mollusk. Source: Websters Dictionary (01 Mar 1998) |
| sea snail | <zoology> A small fish of the genus Liparis, having a ventral sucker. It lives among stones and seaweeds. Any small creeping marine gastropod, as the species of Littorina, Natica, etc. Source: Websters Dictionary (01 Mar 1998) |
| sea snake | <zoology> Any one of many species of venomous aquatic snakes of the family Hydrophidae, having a flattened tail and living entirely in the sea, especially in the warmer parts of the Indian and Pacific Oceans. They feed upon fishes, and are mostly of moderate size, but some species become eight or ten feet long and four inches broad. Source: Websters Dictionary (01 Mar 1998) |
| sea snipe | <zoology> A sandpiper, as the knot and dunlin. The bellows fish. Source: Websters Dictionary (01 Mar 1998) |
| sea spider | <zoology> Any maioid crab; a spider crab. See Maioid, and Spider crab, under Spider. Any pycnogonid. Source: Websters Dictionary (01 Mar 1998) |
| sea squirt | <zoology> An ascidian. Source: Websters Dictionary (01 Mar 1998) |
| sea star | <zoology> A starfish, or brittle star. Source: Websters Dictionary (01 Mar 1998) |
| sea surgeon | <zoology> A surgeon fish. Source: Websters Dictionary (01 Mar 1998) |
| sea swallow | 1. <zoology> The common tern. The storm petrel. The gannet. 2. See Cornish chough, under Chough. Source: Websters Dictionary (01 Mar 1998) |