noun one who settles, becomes fixed, established, ·etc.
2. settler ·noun that which settles or finishes; hence, a blow, ·etc., which settles or decides a contest.
3. settler ·noun a vessel, as a tub, in which something, as pulverized ore suspended in a liquid, is allowed to settle.
4. settler ·noun especially, one who establishes himself in a new region or a colony; a colonist; a planter; as, the first settlers of new england.