to advance or travel on foot at a moderate speed or pace; proceed by steps; move by advancing the feet alternately so that there is always one foot on the ground in bipedal locomotion and two or more feet on the ground in quadrupedal locomotion.
to move about or travel on foot for exercise or pleasure: We can walk in the park after lunch.
(of things) to move in a manner suggestive of walking, as through repeated vibrations or the effect of alternate expansion and contraction: He typed so hard that the lamp walked right off the desk.
Baseball. to receive a base on balls.
Slang. to go on strike; stage a walkout: The miners will walk unless they get a pay raise. to be acquitted or to be released or fined rather than sentenced to jail: If the prosecutor doesn't present his case well, the murderer may walk.