■ verb ( past and past participle dwelt or ~ed )
1》 formal live in or at a place.
2》 ( ~ on/upon ) think, speak, or write at length about.
■ noun technical a slight regular pause in the motion of a machine.
Derivatives
~er noun
Origin
OE ~an 'lead astray, delay' (in ME 'remain in a place'), of Gmc origin.