Definition of: reinforce

(rē′in·fôrs′, -fōrs′) v.t. ·forced, ·forc·ing
1. To give new force or strength to.
2. To increase the military or naval strength of by providing with more troops or ships.
3. To add some strengthening part or material to; thicken; strengthen; support. See synonyms under RECRUIT.
—noun That which strengthens or reinforces, as the part of a cannon near the breech that is cast thicker than the rest. Also spelled reenforce. [<RE- + inforce, var. of ENFORCE]