I. (ˈ)tan|kelmēən, -aŋ|k- adjective
Usage: usually capitalized
Etymology: Tanchelm died 1115? Flemish heretic + English -an
: of or relating to Tanchelm who denounced the church and the sacraments and led an armed revolt
II. noun
Usage: usually capitalized
: a follower of Tanchelm