ˌjigə(r)ˈtīnə, -tēnə noun
Usage: capitalized
Etymology: New Latin, from Greek gigarton grape seed + New Latin -ina; probably akin to Greek gēras old age — more at corn
: the type genus of Gigartinaceae comprising red algae mainly of the Pacific ocean having fleshy or cartilaginous compressed fronds with numerous outgrowths resembling teats on which the cystocarps are born