(American football) An option, for a team that has scored a touchdown, to gain two points by getting the ball into the end zone by a running or pass play, in lieu of a kicked extra point.

The illumination of a photographic subject from the rear, causing edges to glow while other areas remain in shadow.

(nonstandard, uncommon) Pronunciation spelling of peacock.

(transitive) To cause to fail; to frustrate, to prevent. / (transitive, obsolete) To place (something) across (another thing); to position crosswise.