Akademik

1. verb

a) To cut or divide into two parts.

b) To divide an angle, line segment, or other figure into two equal parts.

2. noun

a) A bisector, which divides into two equal parts.

b) An envelope, card, or fragment thereof showing an affixed cut half of a regular issued stamp, over which one or more postal markings have been applied. Typically used in wartime when normal lower rate stamps may not be available.