- lineA path through two or more points (compare ‘segment’); a continuous mark, including as made by a pen; any path, curved or straight.
- lineageDescent in a line from a common progenitor; progeny; descending line of offspring or ascending line of parentage.
- lineaAny long marking, dark or bright, on a planet or moon's surface.
- linhaA traditional short Portuguese unit of length, usually about equal to 2.3 mm.
- lineoidthe set of points in 3-dimensional space that are also points in 4-dimensional space
- lingelA shoemaker's thread rubbed with beeswax.