verb
Etymology: burn (II) + off
transitive verb
1. : to clear up : break away : dissipate — used of weather phenomena (as fog, dew, clouds) that are regarded as adverse and particularly subject to the sun's warmth and often with it as an indefinite nominative
it will burn off before noon
2.
a. : to remove (as debris on a surface) by burning
I want to burn off the rest of the brush this fall
b. : to free (a piece of land) of unwanted vegetation or plant residues
we'll burn off the north field the next time it rains
intransitive verb
of the sun : to cause watery vapor (as clouds or fog) to dissipate