barleycorn

== English == === Etymology === From barley +‎ corn. === Pronunciation === (UK) IPA(key): /ˈbɑː(ɹ)liˌkɔː(ɹ)n/ === Noun === barleycorn (plural barleycorns) (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. ==== Derived terms ==== barleycorn sight ==== Translations ====