To live alone and keep house as a bachelor. (verb-intransitive)
Bach it To bach. (idiom)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "bach" in a sentence
"*A NZ holiday cabin was/is called a bach pronounced batch."
""You can 'bach' it in the house as well as poor old Uncle Jeptha did, I reckon," this woman told the youth."
"That's why, I guess, I'm what they call a "bach" at forty-four."