2. (Zoöl.)
Defn: Used in copulation; — said of the external reproductive organs of the males of many animals, and sometimes of those of the females.
INTROMITTER
In`tro*mit"ter, n.
Defn: One who intromits.
INTROPRESSION
In`tro*pres"sion, n.
Defn: Pressure acting within. [R.]
INTRORECEPTION
In`tro*re*cep"tion, n.
Defn: The act of admitting into or within. Hammond.
INTRORSE
In*trorse", a. Etym: [L. introrsus inward, contr. from introversus.
See Introvert.] (Bot.)
Defn: Turning or facing inward, or toward the axis of the part to which it belongs. Gray.