STOMOCHORD

ˈstōməˌkȯrd noun

Etymology: stom- + -chord (as in notochord )

: a structure in the proboscis of an enteropneust that has been construed as homologous with the chordate notochord

• sto·mo·chord·al | ̷ ̷ ̷ ̷|kȯrd ə l adjective