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.
2. money given by a buyer to a seller to bind a contract. [1175â1225; Middle English ernes(t), alter. of Old French erres, pl. of erre earnest money < Latin arr(h)a short for arr(h)abÅ < Greek arrhabá¹n < Semitic (compare Hebrew âÄrÄbhÅn security, pledge)]