Bound
Part of speech: verb
Definition: To tie; to confine by any ligature. To surround a territory or other geographical entity. To be the boundary of. To leap, move by jumping.
Part of speech: noun
Definition: A boundary, the border which one must cross in order to enter or leave a territory. a value which is known to be greater or smaller than a given set of values A sizeable jump, great leap.
Part of speech: adjective
Definition: Obliged (to). Very likely (to). That cannot stand alone as a free word. Constrained by a quantifier. ready, prepared. ready, able to start or go (to); moving in the direction (of).
Example sentence: If spiritual science is to do the same for spirit that natural science has done for nature, it must investigate quite differently from the latter. It must find ways and means of penetrating into the sphere of the spiritual, a domain which cannot be perceived with outer physical senses nor apprehended with the intellect which is bound to the brain.
Boundary
Part of speech: noun
Definition: The dividing line or location between two areas.A score of 4 or 6 runs, occasioned by the ball being struck to and either touching or passing the boundary (with or without bouncing).
Example sentence: Home is the dearest spot on earth, and it should be the centre, but not the boundary, of the affections.