a.  A small bright-red earth-worm used by anglers. b. The scarlet larva of a genus of crane-flies (Chironomus) found in rain-water cisterns and pools.

1

1741.  Compl. Fam.-Piece, II. ii. 350. They will bite freely at the small Red-worm called the Blood-worm.

2

1799.  G. Smith, Laboratory, II. 280. In the winterseason, the fittest baits for the New River are bloodworms.

3

1833.  J. Rennie, Angling, 37. I mean here water blood-worms, and not the smaller bright red earth-worms sometimes so named in books on angling.

4

1840.  Browning, Sordello, II. 289. Circling blood-worms, minnow, newt, or loach.

5