bloodworms

blood·worm   (blŭd'wûrm')    n.   Any of various red, segmented marine worms of the genera Polycirrus and Enoplobranchus that have bright red bodies and are often used for bait. The freshwater larvae of certain midges that are red as a result of the high hemoglobin content of their blood.

Main Entry: blood·worm
Pronunciation: 'bl&d-"w&rm
Function: noun
: any of several comparatively large bloodsucking nematode worms of the genusStrongylus that are parasitic in the large intestine of horses and have larvae which wander in the viscera and sometimes lodge in the intestinal blood vessels causing colic or more rarely afatal aneurysm called also palisade worm, red worm