water butt

noun

1. （接房檐雨水的）大水桶
   a large barrel for collecting rain as it flows off a roof

1. (接雨水的)积水桶，盛水桶
   A water butt is a large barrel for collecting rain as it flows off a roof.

in AM, use 美国英语用 rain barrel

1. The water butt catches the overflow from this pipe.
   大水桶盛接管子里流出的东西。
2. Whole Quenching in Solution of Tri-nitrate in Water for Butt Welded High Speed Steel Tap
   对焊高速钢丝锥的三硝水溶液整体淬火
3. But she was amazed to see an African Grey Congo parrot perched on a water butt as she hung out washing in the garden.
   然而，当她在后花园进行洗涮时，竟然看到一只灰色的非洲刚果鹦鹉栖息在水桶上。
4. This paper studies on the safety and feasibility of WJ cutting explosive from the technical parameters of water pressure, nozzle, relative moving velocity and butt distance.
   研究水射流切割炸药的安全性和可行性，从水射流工艺参数（水压、喷嘴、水流量、相对移动速度、靶距）这几个方面进行研究，主要从水压对炸药切割的安全性影响进行研究。

noun

1. a butt set on end to contain water especially to store rainwater