In geometry, a quantity extended in length, without breadth or thickness; or a limit terminating a surface.

A slender string; a small cord or rope. The angler uses a line and hook. The seaman uses a hand line, a hauling line, spilling lines.

A thread, string or cord extended to direct any operation. We as by line upon the ocean go.

Lineament; a mark in the hand or face. He tipples palmistry, and dines on all her fortune-telling lines.

Delineation; sketch; as the lines of a building.

Contour; outline; exterior limit of a figure. Free as thy stroke, yet faultless as thy line.

In writing, printing and engraving, the words and letters which stand on a level in one row, between one margin and another; as a page of thirty lines.

In poetry, a verse, or the words which form a certain number of feet, according to the measure.

A short letter; a note. I received a line from my friend by the last mail.

A rank or row of soldiers, or the disposition of an army drawn up with an extended front; or the like disposition of a fleet prepared for engagement.

A trench or rampart; an extended work in fortification. Unite thy forces and attack their lines.

Method; disposition; as line of order.

Extension; limit; border. Eden stretched her line from Auran eastward to the royal towers of great Seleucia.

Equator; equinoctial circle. When the sun below the line descends - .

A series or succession of progeny or relations, descending from a common progenitor. We speak of the ascending or descending line; the line of descent; the male line; a line of kings.

The twelfth part of an inch.

A straight extended mark.

A straight or parallel direction. The houses must all stand in a line. Every new building must be set in a line with other on the same street.

Occupation; employment; department or course of business. We speak of men in the same line of business.

Course; direction. What general line of conduct ought to be pursued?