dimidiation

Meaning

Noun

• The act of divide into half.
• The condition of being divided into halves.
• A marshalling of two coat of arms by the bisection per pale of their escutcheon and forming a coat of arms from the dexter half of one coat and the sinister half of the other.

Origin

• Continuing the Middle English dimydicion (circa 1425, in an arithmetical sense), from the Late Latin dīmidiātiō.