span
nounmasculine/ˈpaɫmu/medium
pal·mo
Definition
An ancient unit of length based on the distance from the tip of the thumb to the tip of the little finger of a spread hand, approximately 9 inches or 22 cm.
The board is three spans wide.
He measured the cloth by span.
Common collocations
handspanspan of land
Etymology
Do latim 'palmus'.