a married man; a woman's partner in marriage
"After my husband fixed the leaky faucet, I decided to thank my hubby for all his hard work around the house."
Husband.
"My hubby insisted we get pizza for dinner instead of cooking again tonight."
Full of hubs or protuberances.
"The old wooden wheel was covered in rust and filled with deep holes from years of neglect, making it look like a broken hub rather than a functional part."