1) the part of the body that includes the stomach and bowels (abdomen)

2) a collection of thick yellowish white liquid (called pus) formed in a diseased part of the body (abscess)

3) a part of a sentence that is not the subject or predicate (and can be omitted without making the sentence ungrammatical) such as 'with the red hair' in 'The boy with the red hair fell off his bike' (adjunct)

4) (also called antenna) a part of a radio or TV system which receives or sends out signal (aerial)

5) a part of a wall set back from the rest, often with a bed or seats (alcove)

6) a part of the edge of a circle or other curved line (arc)

7) the central part of a stadium used for sport and games (arena)

8) (a part of an army using) big guns on wheels etc (artillery)

9) to allow (people) to become part of another social group of state (assimilate)

10) a part of a building in which an audience sits (auditorium)