pogoniasis Medicine. 1. an excessive growth of beard. 2. the development of a beard by a woman. pogonology a treatise on beards. —pogonologist, n. pogonophile an admirer of beards; a student of beards. pogonophobia an abnormal fear or dislike of beards. pogonotomy the cutting of beards. pogonotrophy the cultivation of beards, beard-growing.