What is "thoosa"

In Greek mythology, Thoosa or Thoösa (, ) was a sea nymph associated with swiftness, and the mother of the Cyclops Polyphemus by the god Poseidon ( Odyssey, book I, lines 70–72). According to Homer, she was the daughter of Phorcys, but no mother is mentioned.

Thoosa is a genus of demosponge in the family Thoosidae. This genus is known for boring holes in corals. It contains sixteen described species.