"small silver coin of about the value of a penny," formerly current in Scotland and northern England, 1680s, a word of unknown origin.
toffee-like confection, 1802, from butter (n.), which is a main ingredient; the second element uncertain; perhaps from its having been made in Scotland.
"small piece of enclosed ground for agricultural purposes, a very small farm," especially of those on the western coast and isles of Scotland. Old English croft "enclosed field, small field," of unknown etymology. Germanic and Celtic sources have been proposed.
Crofter "tenant who holds a small field, one who occupies a croft," especially "small farmer on the western coast and islands of Scotland," is by 1762 (from late 13c. as a surname), originally Scottish.
English river name, from Celtic abona "river," from *ab- "water" (see afanc). Of the at least four rivers in England and two in Scotland that bear the name, Shakespeare's is the Warwickshire Avon.