I. dil·a·tor ˈdiləd.ə(r) noun
( -s )
Etymology: Middle English dilatour, modification of Middle French dilatoire delay, from Old French, from dilatoire, adjective, causing delay, from Late Latin dilatorius
1. archaic : a legal delay
2. archaic : dilatory defense
II. di·la·tor noun
also di·lat·er (ˈ)dī|lād.ə(r), də̇ˈl-, -ātə-
( -s )
Etymology: dilate (I) + -or or -er
: one that dilates: as
a. : an instrument for expanding a tube, duct, or cavity
a urethral dilator
b. : a muscle that dilates a part
c. : a drug (as a vasodilator) causing dilation