Laminariaceae Laminaria • laminariaceous · · · Info · Definitions · Characters · · Laminariaceae · · Text Latin · · Script 13 · · Length Definitions · · · (noun) large family of marine brown algae including many economically important large kelps chiefly of northern waters. Synonyms: family Laminariaceae. · · Noun Definition 1 Characters · · L latin capital letter l U+004C a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E r latin small letter r U+0072