| in-line skating |
rollerskating on in-line skates for recreation or to display skilled moves. |
| International Date Line |
(sometimes l.c.) an imaginary north-south line drawn in the Pacific Ocean, roughly at the 18th meridian, on the east side of which, by international agreement, the calendar date is one day earlier than it is on the west side; date line. |
| lead line |
a line with a lead weight attached to it that is lowered into water to measure its depth. |
| ledger line |
a short line placed above or below a musical staff to accommodate notes beyond the range of the staff. |
| line drawing |
a drawing done completely in lines. |
| line drive |
in baseball, a hard-hit ball that travels low, fast, and in a nearly straight line. |
| line graph |
a graph that plots the relationship between two variable quantities, represented on horizontal and vertical axes, by connecting their coordinate points with straight lines. |
| line of battle |
troops, tanks, ships, and the like positioned to fight. |
| line of credit |
a statement by a bank, credit card company, department store, or the like agreeing to extend a certain amount of credit to the person named on the statement. [2 definitions] |
| line of fire |
the path of a fired bullet or shell. [2 definitions] |
| line of force |
the imaginary line in a field of electrical or magnetic force that indicates the direction taken by that force. |
| line of scrimmage |
an imaginary line on a football field, parallel to the goal line, where the ball rests and at which the two teams line up at the start of each play. |
| line one's pockets |
to gain profit, esp. by deceitful dealing. |
| line up |
to form a line, one person after the other. [4 definitions] |
| number line |
a line that displays real numbers according to their distance in a positive or negative direction from a point defined as zero. |
| off-line |
not connected to or controlled by a central computer. |
| old-line |
traditional or reactionary in behavior or belief. [2 definitions] |
| party line |
a telephone line shared by two or more subscribers. [2 definitions] |
| picket line |
a line or cordon of strikers, protesters, or other demonstrators serving as pickets. |
| plumb line |
a cord from which a weight is suspended to determine true vertical, or depth, as of water. [2 definitions] |