MUSCLES OF RESPIRATION. When the diaphragm contracts in inspiration, initially the lower ribs are fixed and the dome of the diaphragm descends, thus increasing the vertical diameter of thorax.
arrearage. 1  the state or condition of being in arrears. 2  Often, arrearages. arrears; amount or amounts overdue. 3  Archaic. a thing or part kept in reserve.
Wiktionary(0.00 / 0 votes)Rate this definition: corollary(Noun) Something given beyond what is actually due; something added or superfluous. corollary(Noun) Something which occurs a fortiori, as a result of another effort without significant additional effort. Finally getting that cracked window fixed was a nice corollary of redoing the whole storefont.