| jigger | 1. One who, or that which, jigs; specifically, a miner who sorts or cleans ore by the process of jigging; also, the sieve used in jigging. 2. A horizontal table carrying a revolving mold, on which earthen vessels are shaped by rapid motion; a potter's wheel. A templet or tool by which vessels are shaped on a potter's wheel. 3. A light tackle, consisting of a double and single block and the fall, used for various purposes, as to increase the purchase on a topsail sheet in hauling it home; the watch tackle. A small fishing vessel, rigged like a yawl. A supplementary sail. See Dandy, 2 . 4. A pendulum rolling machine for slicking or graining leather; same as Jack, 4 . Jigger mast. The after mast of a four-masted vessel. The small mast set at the stern of a yawlrigged boat. See: Jig, n. & v. <zoology> A species of flea (Sarcopsylla, or Pulex, penetrans), which burrows beneath the skin. See Chigoe. Origin: A corrupt. Of chigre. Source: Websters Dictionary (01 Mar 1998) |
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| rat-flea typhus | Murine typhus, an acute infectious disease with fever, headache, and rash, all quite similar to, but milder than, epidemic typhus, caused by a related microoganism, rickettsia typhi (mooseri), transmitted to humans by rat fleas (xenopsylla cheopis). The animal reservoir includes rats, mice and other rodents. Murine typhus occurs sporadically worldwide but is more prevalent in congested rat-infested urban areas. Also known as endemic typhus and urban typhus of malaya. (12 Dec 1998) |
| water flea | <zoology> Any one of numerous species of small aquatic Entomostraca belonging to the genera Cyclops, Daphnia, etc; so called because they swim with sudden leaps, or starts. Source: Websters Dictionary (01 Mar 1998) |
| typhus, endemic flea-borne | An infectious disease clinically similar to epidemic louse-borne typhus (typhus, epidemic louse-borne), but caused by rickettsia typhi, which is transmitted from rat to man by the rat flea, xenopsylla cheopis. (12 Dec 1998) |
| typhus, rat-flea | See Typhus, murine. (12 Dec 1998) |
| flea | <entomology> An insect belonging to the genus Pulex, of the order Aphaniptera. Fleas are destitute of wings, but have the power of leaping energetically. The bite is poisonous to most persons. The human flea (Pulex irritans), abundant in Europe, is rare in America, where the dog flea (P. Canis) takes its place. A flea in the ear, an unwelcome hint or unexpected reply, annoying like a flea; an irritating repulse; as, to put a flea in one's ear; to go away with a flea in one's ear. Beach flea, Black flea, etc. See Beach, etc. Origin: OE. Fle, flee, AS. Flea, fleah; akin to D, OHG. Flh, G. Floh, Icel. Fl, Russ. Blocha; prob. From the root of E. Flee. 84. See Flee. (30 Mar 1998) |
| flea-beetle | <zoology> A small beetle of the family Halticidae, of many species. They have strong posterior legs and leap like fleas. The turnip flea-beetle (Phyllotreta vittata) and that of the grapevine (Graptodera chalybea) are common injurious species. Source: Websters Dictionary (01 Mar 1998) |
| flea-bitten kidney | The kidney seen at autopsy in some cases of bacterial endocarditis, the appearance being caused by diffuse petechial haemorrhages resulting from focal glomerulonephritis. (05 Mar 2000) |
| flea-borne typhus | An acute infectious disease with fever, headache, and rash, all quite similar to, but milder than, epidemic typhus, caused by a related microoganism, rickettsia typhi (mooseri), transmitted to humans by rat fleas (xenopsylla cheopis). The animal reservoir includes rats, mice and other rodents. Murine typhus occurs sporadically worldwide but is more prevalent in congested rat-infested urban areas. Also known as endemic typhus, rat-flea typhus; urban typhus of malaya). (12 Dec 1998) |
| flea-louse | <zoology> A jumping plant louse of the family Psyllidae, of many species. That of the pear tree is Psylla pyri. Source: Websters Dictionary (01 Mar 1998) |
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