A flapless pocket trimmed with welting or reinforced stitching.
An inset, flapless pocket, often in a jacket or trousers, having a slit opening trimmed with a welt or with reinforced stitching.
A pocket on the inside of a garment accessed through a slit with a reinforced lower edge, with no flap.
Origin of besom-pocket
- besom reinforcement around pocket opening
From American Heritage Dictionary of the English Language, 5th Edition