Proper noun
Lodowick
A male given name
As the scene develops, it appears that Friar Lodowick will be blamed for the 'false' accusations leveled against Angelo. Source: Internet
The Duke has not in fact left the city, but remains there disguised as a friar (Lodowick) in order to spy on the city's affairs, and especially on the actions of Angelo. Source: Internet
The Duke leaves Angelo to judge the cause against Lodowick, but returns in disguise moments later when Lodowick is summoned. Source: Internet