Green’s Dictionary of Slang

petronel n.

[SE petronel, a kind of large pistol or carbine, used in the 16C and early 17C]

1. a braggart, a blusterer, a bully.

[UK]Florio Worlde of Wordes.
[UK]Chapman & Jonson Eastward Ho! II i: Good-morrow, Knight Petronel.

2. a prostitute.

[UK]New Brawle 10: Your pocky Petrenells were sent to be [...] scour’d at St Thomas his Spittle.