Bach/bætʃ/ Definition 1 of 3Pro Tip 1/3New Zealand Feature This meaning of 'bach' is specific to New Zealand and refers to small, often beachside, dwellings. They're renovating their bach for the summer. Pro Tip 2/3Informal Term 'Bach' is informal and used in casual conversation, not in formal writing. Let's rent a bach for our trip! Pro Tip 3/3Kiwi Culture The use of 'bach' reflects Kiwi culture and lifestyle, especially leisure time outdoors. Their bach has a great view of the bay.