stub

(noun) a short piece remaining on a trunk or stem where a branch is lost.

(noun) a small piece. Synonyms: nub. Examples: "A nub of coal." "A stub of a pencil."

(noun) a torn part of a ticket returned to the holder as a receipt. Synonyms: ticket stub.

(noun) the part of a check that is retained as a record. Synonyms: check stub, counterfoil.

(noun) the small unused part of something (especially the end of a cigarette that is left after smoking). Synonyms: butt.

(verb) pull up (weeds) by their roots.

(verb) extinguish by crushing. Example: "Stub out your cigarette now."

(verb) clear of weeds by uprooting them. Example: "Stub a field."

(verb) strike (one's toe) accidentally against an object. Example: "She stubbed her toe in the dark and now it's broken."