資料來源 : Webster's Revised Unabridged Dictionary (1913)

Opisthomi \Op`is*tho"mi\, n. pl. [NL., fr. Gr. ? behind + ? the
   shoulder.] (Zo["o]l.)
   An order of eellike fishes having the scapular arch attached
   to the vertebr[ae], but not connected with the skull.