'kickoff' definitions:

Definition of 'kickoff'

(from WordNet)
noun
(football) a kick from the center of the field to start a football game or to resume it after a score
noun
The time at which something is supposed to begin; "they got an early start"; "she knew from the get-go that he was the man for her" [syn: beginning, commencement, first, outset, get-go, start, kickoff, starting time, showtime, offset] [ant: end, ending, middle]
noun
A start given to contestants; "I was there with my parents at the kickoff" [syn: kickoff, send-off, start-off]

Definition of 'kickoff'

From: GCIDE
  • kickoff \kickoff\ n. (Football)
  • 1. A kick from the center of the field to start a football game or to resume it after a score. [WordNet 1.5]
  • 2. the time at which an event or activity begins.
  • Syn: beginning, commencement, first, outset, start, starting time, offset. [WordNet 1.5]