center
1. cen.ter or cen.tre \'sent-*r\ n [ME centre, fr. MF, fr. L centrum, fr.
Gk kentron sharp point] chiefly Brit , center of a circle, fr. kentein to
prick; akin to OHG hantag pointed, Latvian si-ts hunting spear 1: the point
equidistant or at the average distance from the exterior point s of a
circle, sphere, or other geometric figure 2a: a place in or around which an
activity concentrates or from which somet hing originates {propaganda ~}
2b: a group of nerve cells having a common function {respiratory ~)> 2c: a
region of concentrated population 3a: a middle part (as of an army or
stage) often cap 3b1: political figures holding moderate views esp.
between those of conserv atives and liberals 3b2: the views of such
politicians 3b3: adherents of such views 4: a player occupying a middle
position on a team 5a: one of two tapered rods which support work in a
lathe or grinding machi ne and about or with which work revolves 5b: a
conical recess in the end of work (as a shaft) for receiving such a c enter
2. center or centre \'sent-*-rin, 'sen-trin\ vi or cen.ter.ing chiefly Brit
1: to place or fix at or around a center or central area or position 2:
to gather to a center : CONCENTRATE 3: to adjust (as lenses) so that the
axes coincide : to have a center