line

line

noun \ˈlīn\

Definition of LINE

1

: something (as a ridge, seam, mark, or streak) that is distinct, elongated, and narrow—see linea

2

: a strain produced and maintained especially by selective breeding or biological culture

3

: a narrow short synthetic tube (as of plastic) that is inserted approximately one inch into a vein (as of the arm) to provide temporary intravenous access for the administration of fluid, medication, or nutrients