cutting in

cutting in

[′kəd·iŋ ′in]
(mechanical engineering)
An undesirable action occurring during loose-drum spooling in which a layer of wire rope spreads apart and forms grooves in which the next layer travels.

cutting in

Careful use of a brush to paint the edge of a corner wall, ceiling area, door, or window frame.
References in classic literature ?
A long strip of wood fell to his ax--long enough to require cutting in two.