Definitions
1.NounA state of physical condition; kilter or trim.
2.NounOne's mental state; spirits.
3.NounSand used to line a furnace.
4.NounA seam line left by the meeting of mould pieces.
5.NounThe act of fettling.
6.NounA person's mood or state, often assuming the worst."What’s yer fettle marra?"
7.VerbTo sort out, to fix, to mend, to repair.
8.VerbTo make preparations; to put things in order; to do trifling business.
9.VerbTo line the hearth of a furnace with sand prior to pouring molten metal.
10.VerbTo be upset or in a bad mood."Divint fettle yersel ower that!"
11.VerbTo remove (as by sanding) the seam lines left by the meeting of two molds.
12.VerbTo machine away seam lines or more generally to make small adjustments to a component or machine to improve its fit or operation."He wants to fettle his gearchange mechanism before the next competition."
13.VerbTo prepare.