en pas·sant /ˌɑnˌpɑˈsɑn, pə-/
En pas·sant In passing; in the course of any procedure; -- said specif. Chess, of the taking of an adverse pawn which makes a first move of two squares by a pawn already so advanced as to threaten the first of these squares. The pawn which takes en passant is advanced to the threatened square.
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en passant
adv : incidentally; in the course of doing something else; "he
made this remark in passing" [syn: in passing]