| rat-tail | 1. <veterinary> An excrescence growing from the pastern to the middle of the shank of a horse. 2. <zoology> The California chimaera. See Chimaera. Any fish of the genus Macrurus. See Grenadier. Source: Websters Dictionary (01 Mar 1998) |
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| rat-tailed | <zoology> Having a long, tapering tail like that of a rat. <zoology> Rat-tailed larva, the musk shrew. Source: Websters Dictionary (01 Mar 1998) |
| water rat | 1. <zoology> The water vole. See Vole. The muskrat. The beaver rat. See Beaver. 2. A thief on the water; a pirate. Source: Websters Dictionary (01 Mar 1998) |
| coronavirus, rat | A species of coronavirus causing pneumonia in newborn rats but a clinically inapparent infection in adults. It is separate but antigenetically related to mouse hepatitis virus (gastroenteritis virus, murine). (12 Dec 1998) |
| sea rat | 1. A pirate. 2. <zoology> The chimaera. Source: Websters Dictionary (01 Mar 1998) |
| Kilham rat virus | A virus of the genus Parvovirus causing inapparent infection in rats; also recoverable from rat tumours. Synonym: latent rat virus. (05 Mar 2000) |
| latent rat virus | A virus of the genus Parvovirus causing inapparent infection in rats; also recoverable from rat tumours. Synonym: latent rat virus. (05 Mar 2000) |