- passerby, passer-by, passer - a person who passes by casually or by chance
--1 is a kind of pedestrian, walker, footer
Derived form: verb pass2 - passer - a person who passes as a member of a different ethnic or racial group
--2 is a kind of person, individual, someone, somebody, mortal, human, soul
Derived form: verb pass20 - passer - a student who passes and examination
--3 is a kind of student, pupil, educatee; testee, examinee
Derived form: verb pass14 - passer, forward passer - (football) a ball carrier who tries to gain ground by throwing a forward pass
--4 is a kind of ball carrier
Derived form: verb pass21 - Passer, genus Passer - type genus of the Passeridae
--5 is a kind of bird genus
--5 is a member of Passeridae, family Passeridae
--5 has members:English sparrow, house sparrow, Passer domesticus; tree sparrow, Passer montanus