stub

a torn part of a ticket returned to the holder as a receipt

a small piece

“a stub of a pencil”

the part of a check that is retained as a record

the small unused part of something (especially the end of a cigarette that is left after smoking)

a short piece remaining on a trunk or stem where a branch is lost

clear of weeds by uprooting them

“stub a field”

extinguish by crushing

“stub out your cigarette now”

pull up (weeds) by their roots

strike (one's toe) accidentally against an object

“She stubbed her toe in the dark and now it's broken”