Webster's Revised Unabridged Dictionary · 1913

Theologue

Theologue , noun

[Compare Latin theologus, Greek {not transcribed}, and English philologue.]

1.
A theologian. — Dryden
Ye gentle theologues of calmer kind. — Young
He [Jerome] was the theologue -- and the word is designation enough. — I. Taylor
2.
A student in a theological seminary. [Colloquial United States]