n. [ OE. dilatacioun, F. dilatation, L. dilatatio, fr. dilatare. See Dilate, and cf. 2d Dilation. ] 1. Prolixity; diffuse discourse. [ Obs. ] “What needeth greater dilatation?” Chaucer. [ 1913 Webster ]
2. The act of dilating; expansion; an enlarging on al&unr_; sides; the state of being dilated; dilation. [ 1913 Webster ]
3. (Anat.) A dilation or enlargement of a canal or other organ. [ 1913 Webster ]