Line

droite

(geometry: infinite one-dimensional figure)

file

(straight sequence of people, queue)

ligne

(path through two or more points, threadlike mark)

ligne

(telephone or network connection)

ligne

(single horizontal row of text on a screen, printed paper, etc.)

ligne

(products or services sold by a business, or the business itself)

ligne

(perfusion line)

ligne de conduite

(course of conduct, thought, occupation, or policy)

lignée

(series or succession of ancestors or descendants of a given person)

lignée

(population of cells derived from a single cell and containing the same genetic makeup)

queue

(straight sequence of people, queue)

ride

(threadlike crease marking the face or the hand; hence, characteristic mark — see also wrinkle)

réplique

(sentence of dialogue, especially in a script or screenplay)

trait

(path through two or more points, threadlike mark)

accoupler

(of a dog: impregnate)

croiser

(of a dog: impregnate)

doubler

(cover the inside surface of (something))

fourrer

(cover the inside surface of (something))

ligne

(baseball: to hit a line drive)