Definition of tool-maker:
(n) :
Any physical device meant to ease or do a task.
(n) :
Any piece of equipment used in a profession, such as a craftsman's.
(n) :
Anything that aids someone to perform an operation; an instrument; a means.
(n) :
(computing) A piece of software used to develop software or hardware, or to perform low-level operations.
(n) :
A person or group which is used or controlled, usually unwittingly, by another person or group, a pawn.
(n) :
(baseball) A particular skill pertaining to baseball (such as hitting, running, etc.).