D defs.my
Entry 1 sense Webster, 1913

Oyster-green

· Oys·ter-green · IPA
01 n. A green membranous seaweed (Ulva) often found growing on oysters but common on stones, piles, etc.
  1. 1.
    A green membranous seaweed (Ulva) often found growing on oysters but common on stones, piles, etc.(Bot.)