municipium (myoo-n<<schwa>>-sip-ee-<<schwa>>m), n. [Latin “free town”] Roman law. A self-governing town; specif., any community allied with or conquered by Rome and allowed to maintain certain privileges (such as maintaining separate laws called leges municipales). • The members of a municipium were also Roman citizens. Pl. municipia (myoo-ni-sip-ee-<<schwa>>).
[Blacks Law 8th]