Entry 1 sense Webster, 1913 Seaware · Sea·ware · IPA /ˈsiːˌwɛə(ɹ)/ 01 n. Seaweed; esp., coarse seaweed. See Ware, and Sea girdles. 1. Seaweed; esp., coarse seaweed. See Ware, and Sea girdles.(Bot.) See: Ware, Sea girdles