billman means A surname. Lexicurio rates it Sui generis — a strength score of 90 out of 100.
Etymology
From bill + -man.
noun
- A man who uses, or is armed with, a bill or hooked axe.“each class had its peculiar head - covering , - a steel cap or scull distinguished the archer ; a salade the billman ; while the musketeer wore a morion[…]”