Used other than figuratively or idiomatically: see out of, line. / (idiomatic) Inappropriate or unsuitable, especially by reason of being unmannerly or indelicate. / Not in a line, straggly.

the division between skin that has darkened or tanned from exposure to sun and skin that has not been exposed to sun

The final part of a joke; the word, sentence, or exchange of sentences that is intended to be funny and provokes laughter from the listeners.

A path that pedestrians or vehicles take informally rather than taking a sidewalk or set route, for example, a well-worn ribbon of dirt cutting across a patch of grass, or a path in the snow.

A long elastic cord tied around the ankles of the jumper in bungee jumping.

A type of commercial fishing using a very long line with many baited hooks attached along its length.

(Internet) An element of text on a web page, used to access other web pages.

A person who installs and repairs overhead cables (either power or telephone); a linesman. / (American football) A player who specializes in play at the line of scrimmage.

(soccer) An assistant referee. / (tennis, dated) A male line judge. / (ice hockey) An official whose primary task is to watch the blue line and determine when there has been an offside.

The practice of embedding a large number of hyperlinks on a website in exchange for return links, intended to inflate the apparent popularity of the website.