spotted weakfish: weakfish of southern Atlantic and Gulf Coasts of United States
entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
pelvic inflammatory disease: inflammation of the female pelvic organs (especially the Fallopian tubes) caused by infection by any of several microorganisms (chiefly gonococci and chlamydia); symptoms are abdominal pain and fever and foul-smelling vaginal discharge