gully

US /ˈɡʌl.i/
UK /ˈɡʌl.i/
"gully" picture
1.

a ravine formed by the action of water

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The heavy rain created a deep gully in the hillside.
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We had to cross a rocky gully to reach the other side.
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ravinechannelditchtrenchgorge
2.

a channel or drain for water, especially on a golf course or at the side of a road

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The golf ball rolled into the gully next to the green.
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Water collected in the roadside gully after the rain.
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drainchannelditchtrenchculvert