1. a simple greenhouse or protective structure made of hoops or arches covered with plastic sheeting, used for growing plants and extending the growing season.
Usage: also called a hoop house, hoop greenhouse, or polytunnel; common in agriculture and gardening

Examples

• The farmer built a hoophouse to protect her tomatoes from early frost.
• Hoophouses are affordable alternatives to traditional glass greenhouses.
• We use a hoophouse to grow vegetables year-round in our garden.
• The plastic covering on the hoophouse needs to be replaced every few years.
• Many small farms rely on hoophouses to increase their crop yields.