ˈfleɪvə ˈfleɪvɚ nɪp ˈɹɛ.lɪʃ zɛst any of various kelps especially of the genus Laminaria any of various coarse seaweeds brown algae seaweed with serrated edges a common rockweed used in preparing kelp and as manure a tart spicy quality the taste experience when a savoury condiment is taken into the mouth