Definitions for erectilityɪ rɛkˈtɪl ɪ ti, ˌi rɛk-
Random House Webster's College Dictionary
e•rec•tileɪˈrɛk tl, -tɪl, -taɪl(adj.)
capable of being distended with blood and becoming rigid, as tissue.
capable of being erected or set upright.
Origin of erectile:
1820–30; < F
e•rec•til•i•tyɪ rɛkˈtɪl ɪ ti, ˌi rɛk-(n.)
the quality or state of being erectile