Quick definitions from WordNet (fill)

▸ noun:  a quantity sufficient to satisfy ("He ate his fill of potatoes")
▸ noun:  any material that fills a space or container ("There was not enough fill for the trench")
▸ verb:  appoint someone to (a position or a job)
▸ verb:  assume, as of positions or roles
▸ verb:  plug with a substance ("Fill a cavity")
▸ verb:  become full ("The pool slowly filled with water")
▸ verb:  make full, also in a metaphorical sense ("Fill a container")
▸ verb:  occupy the whole of ("The liquid fills the container")
▸ verb:  eat until one is sated ("He filled up on turkey")
▸ verb:  fill or meet a want or need
▸ verb:  fill to satisfaction
▸ name:  A surname (very rare: popularity rank in the U.S.: #24677)

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▸ Also see fill