Definition of Rattus
1. Noun. Common house rats; upper incisors have a beveled edge.
Generic synonyms: Mammal Genus
Group relationships: Family Muridae, Muridae
Member holonyms: Brown Rat, Norway Rat, Rattus Norvegicus, Black Rat, Rattus Rattus, Roof Rat
Medical Definition of Rattus
1. The rats, a genus of rodents, family Muridae. Rattus rattus, the black r., is the species most commonly responsible for transmitting plague to man by means of its flea, Xenopsylla cheopis; it is smaller and darker in colour than the Norwegian, sewer, or brown rat (Rattus norvegicus) and has longer ears and tail. See: rat. (05 Mar 2000)
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Lexicographical Neighbors of Rattus
Literary usage of Rattus
Below you will find example usage of this term as found in modern and/or classical literature:
1. Reprint of the Original Descriptions of the Genus Achatinella by E. W. Thwing, Bernice Pauahi Bishop Museum (1907)
"Other rat material, Rattus hawaiiensis. Nos. ... Rattus hawaiiensis, $ No. o, 1jt No. 9040. Height of drinking cup is 68 mm. PLATE XV. ..."
2. Proceedings of the Biological Society of Washington by Biological Society of Washington (1882)
"Rattus Fitzinger, Sitzungsber. Math.-Naturwiss. Cl. k. ... Rattus Frisch, 1775, has no status in nomenclature. + NOUV. Tabi. Règne Anim. Mamm. p. 135. ..."
3. A History of British Quadrupeds.: Illustrated by Thirty-four Plates, with by William MacGillivray (1838)
"Miu Rattus.—LINN. PLATE XXIII. Greyish-black above, blackish-grey beneath; ears about half the length of the head; tail rather longer than the head and body ..."
4. The Growth of Groups in the Animal Kingdom by Richard Ernest Lloyd (1912)
"... to refer to them by the name of Mus alexandrinus, as a nominal distinction from the common Mus rattus. This is in accordance with the MAP OF POONA CITY. ..."
5. Natural History of the Mammalia of India and Ceylon by Robert Armitage Sterndale (1884)
"... falcate ; incisors rarely grooved; molars with transverse ridges, each composed in youth of three tubercles " (Alston). No. 332. Mus Rattus. ..."