n. (Physiol.) The arrangement of the red blood corpuscles in rouleaux, like piles of coins, as when a drop of human blood is examined under the microscope. [ 1913 Webster ]
n. [ Cf. F. cumulation. ] The act of heaping together; a heap. See Accumulation. [ 1913 Webster ]
n. [ Cf. F. cumulation. ] The act of heaping together; a heap. See Accumulation. [ 1913 Webster ]