portunus

[A Roman god.] 1. Zool .: Swimming-crab; the typical genus of Portunidae (q.v.). Eight species are common: Por tun us puber , P. corrugatus , P. arcuatus , P. depura tor , P. marmorus, P. holsatus, P. longipes , and P pusillus . 2. Palæont.: Two species from the Crag. *pör'-ture (1), 8. [PORTRAIT.] A portrait, an effigy. *pört'-ure (2), subst . [PORT (2), s.] Demeanor, mien carriage.