tumēscō muī, ere, inch. tumeo, to begin to swell, swell up: Inflatum mare tumescit, C. poet.: vi maria, V.: freta ventis, O.: volnera tumescunt, Ta.

—Fig., to swell up, grow excited, become enraged: ora mihi pariter cum mente tumescunt, O.: monet operta tumescere bella, that war is fermenting in secret, V.