the world > action or operation > manner of action > violent action or operation > [noun] > bursting violently from rest or restraint > instance of > violent surge of something (9)
every tenth wave was formerly held to be larger than the nine preceding waves; hence allusively. (Cf. decuman, adj. 1.)
transferred. A great wave of flame, air, sound; a body of men sweeping onward, etc.
transferred. A forcible stream or rushing body (of various physical things, as lava, loose stones, wind, light); also, a violent downpour of rain.