barleycorn
释义（英文）
名词 Noun
- (agriculture) A grain of barley.
- (obsolete) The length of such a grain; a unit of length of approximately one third (or sometimes one quarter) of an inch or eight millimetres, still used as a basis for shoe sizes.
- (architecture, woodworking) A small groove between two moldings.
词族
派生词（1）