■ noun
1》 the central point, pin, or shaft on which a mechanism turns or oscillates.
2》 a person or thing playing a central part in an activity or organization.
↘(also ~man ) chiefly N. Amer. a player in a central position in a team sport.
3》 the person or position from which a body of troops takes its reference point when moving or changing course.
■ verb ( ~s , ~ing , ~ed )
1》 turn on or as if on a ~.
↘provide with or fix on a ~.
2》 ( ~ on ) depend on.
Derivatives
~ability noun
~able adjective
Origin
ME: from Fr., prob. from dialect pue 'tooth of a comb' and Sp. pu(y)a 'point'.