brown recluse spider

brown recluse spider

noun

Definition of BROWN RECLUSE SPIDER

: a venomous spider (Loxosceles reclusa) especially of the southern and central United States that has a violin-shaped mark on the cephalothorax and produces a dangerous cytotoxin which can cause necrotic lesions

First Known Use of BROWN RECLUSE SPIDER

1964

brown recluse spider

noun    (Medical Dictionary)

Medical Definition of BROWN RECLUSE SPIDER

: a venomous spider of the genus Loxosceles (L. reclusa) especially of the southern and central United States that produces a dangerous cytotoxin which can cause necrotic lesions—called also brown recluse

brown recluse spider

noun    (Concise Encyclopedia)

Venomous species (Loxosceles reclusa) of brown spider, most common in the western and southern U.S. The brown recluse is light-coloured, generally with a dark violin-shaped design on its back, for which it is sometimes called the violin spider. About 0.25 in. (7 mm) long, it has a leg span of about 1 in. (2.5 cm). It has extended its range into parts of the northern U.S. and is often found under stones or in dark corners inside buildings. The venom of the brown recluse destroys the walls of blood vessels near the site of the bite, sometimes causing a slow-healing skin ulcer. Bites are occasionally fatal.