(historical)a secret or unlawful religious meeting, typically of people with nonconformist views (史)(尤指非国教徒举行的)秘密(或非法)宗教集会
语源
late Middle English (in the general sense 'assembly, meeting', particularly a clandestine or illegal one): from Latin conventiculum ('place of) assembly', diminutive of conventus 'assembly, company', from the verb convenire (see convene)