What is "limuli"

Limulus \Lim"u*lus\ (l[i^]m"[-u]*l[u^]s), n.; pl. Limuli (-l[imac]). [L., dim. of limus sidelong, askance.] (Zo["o]l.) The only existing genus of Merostomata. It includes only a few species from the East Indies, and one ( Limulus polyphemus) from the Atlantic coast of North America. Called also Molucca crab, king crab, horseshoe crab, and horsefoot.

See limulus