(Homonym: butt).
1. A word expressing contrast or opposition between two phrases.
2. Except.

1. only, merely
2 Scottish; outside
3. To the contrary
4 — used as an intensive

Scottish; the kitchen or living quarters of a 2-room cottage

1. With the exception of; barring — compare but; other than
2. Without, lacking; outside (Scottish)

That not; who not