fill

Concise Oxford English Dictionary © 2008 Oxford University Press:
fill/fɪl/

▶verb

• 1 make or become full.

  ■ block up (a hole, gap, etc.).

  ■ (of a sail) curve out tautly from its supports as the wind blows into it.

• 2 pervade (a place or the air).

  ■ cause to experience a feeling.

• 3 appoint a person to (a vacant post).

  ■ hold and perform the duties of (a post or role).

• 4 occupy (a period of time).

• 5 satisfy (a need).

  ■ chiefly N. Amer. be supplied with the items in (a prescription or order).

▶noun

• 1 (one's fill) as much as one wants or can bear.

• 2 an amount that is enough to fill something.

  ■ material which fills a space, especially in construction work.

• 3 (in popular music) a short interjected instrumental phrase.

– phrases
fill someone's shoes (or boots) informal take over someone's role and fulfil it satisfactorily.

– phrasal verbs
fill in act as a substitute.
fill someone in give someone information.
fill something in

• 1 Brit. add information to complete a form or document.

• 2 complete a drawing by adding colour or shade to the spaces within an outline.

fill out put on weight.
fill something out add information to complete a form or document.

■ give more details about something.

– origin OE fyllan (v.), fyllu (n.), of Gmc origin; rel. to full1.