Noun
a line that bisects a plane figure
Source: WordNetAlternately, band members may only use field markings—yard lines, the center line, hash marks, and yard numbers—as guides (but note that different leagues put these markings in different places). Source: Internet
Another option from the standard starting position is, there may be a turn limit where, if no marble has been knocked off the board by turn 15, whoever has made the most progress towards the center line wins. Source: Internet
As well as the center line, the arena also has two "quarter lines" which lie between the center line and the long side of the arena, however these are infrequently, if ever, used for competition except in a freestyle. Source: Internet
Cutting a Möbius strip along the center line with a pair of scissors yields one long strip with two full twists in it, rather than two separate strips; the result is not a Möbius strip. Source: Internet
The Buick drifted over the center line and struck a 2013 Ford Explorer head on, according to the State Patrol. Source: Internet
Despite its name, this is not where a player legally stands when making a serve. citation The line dividing the service line in two is called the center line or center service line. Source: Internet