1) Conclude 2) Conclusion 3) Final act 4) It precedes the pitch 5) Mechanical 6) Motion on the mound 7) Operated by a mechanism 8) Start of a pitch 1) Concludes 
gradual acceleration leading up to an all-out sprint.
• (n.) Act of winding up, or closing; a concluding act or part; the end.
(v) Wind up is used to represent the ending of all activities of a corporation or an association of persons. For example wind up the expedition due to bad weather and Wind up manufacturing section of a company etc. It is specifically used to represent the closure of activities of a corporation or association of persons so that its assets and liabil...
Wind'-up` noun Act of winding up, or closing; a concluding act or part; the end. 
steady acceleration to an all-out effort.
Wind-up is slang for to infuriate or tease.
[v] - give a preliminary swing to the arm pitching, as in baseball
Sensitization of the central nervous system in response to sustained pain. With sustained pain, new receptors (NMDA receptors)are formed in the central nervous system. These receptors use a very fast neurotransmitter and cause a marked increase in the amount of pain transmitted to the brain. They also prevent opioids from working to their full effe...
steady acceleration to an all-out effort.