seaweed; esp., large, coarse seaweed tossed up on shore, used as fertilizer
Origin of seawarevia dialect, dialectal from Old English sæware, seaweed from sæ, sea + war, alga
Sea wrack used as fertilizer.
Origin of seawarePossibly Old English sǣwār sǣ sea wār seaweed ; see wei- in Indo-European roots.
sea +"Ž -ware