| seabeach sandwort | (n) perennial succulent herb with small solitary axillary or terminal flowers, Syn. Arenaria peploides |
| Seabeach | n. A beach lying along the sea. “The bleak seabeach.” Longfellow. [ 1913 Webster ] |
| Seabeard | n. (Bot.) A green seaweed (Cladophora rupestris) growing in dense tufts. [ 1913 Webster ] |