In·side, a.
 1. Being within; included or inclosed in anything; contained; interior; internal; as, the inside passengers of a stagecoach; inside decoration.
    Kissing with inside lip.   --Shak.
 2. Adapted to the interior.
 Inside callipers Mech., callipers for measuring the diameters of holes, etc.
 Inside finish Arch., a general term for the final work in any building necessary for its completion, but other than unusual decoration; thus, in joiner work, the doors and windows, inside shutters, door and window trimmings, paneled jams, baseboards, and sometimes flooring and stairs; in plaster work, the finishing coat, the cornices, centerpieces, etc.,; in painting, all simple painting of woodwork and plastering.
 Inside track, the inner part of a race course; hence, colloquially, advantage of place, facilities, contacts, etc., in competition.
 inside track
      n 1: a favorable position in a competition; "the boss's son had
           the inside track for that job"
      2: the inner side of a curved racecourse