Webster's Revised Unabridged Dictionary · 1913

Distinguishing

Distinguishing , adjective

Constituting difference, or distinction from everything else; distinctive; peculiar; characteristic.
The distinguishing doctrines of our holy religion. — Locke
Collocations (1)
Distinguishing pennant (Nautical) , a special pennant by which any particular vessel in a fleet is recognized and signaled. — Simmonds