Dictionary
ex•tern
Pronunciation: (ek'stûrn; for 3 also ik-stûrn'), [key]—
n.
1. a person connected with an institution but not residing in it, as a doctor or medical student at a hospital.
2. a nun of a strictly enclosed order, as the Carmelites, who resides inside the convent but outside its enclosure and who chiefly goes on outside errands.
—
adj.
Archaic.external; outer.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.