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Related to lough: Lough Neagh
1. A lake.
2. A bay or an inlet of the sea.
[Middle English, from Old English luh, ultimately from Old Irish loch.]
1. (Physical Geography) an Irish word for lake1
2. (Physical Geography) a long narrow bay or arm of the sea in Ireland
[C14: from Irish loch lake]
n. Irish Eng.
1. a lake.
2. a partially landlocked or protected bay.
[1505–15; Hiberno-E sp. of Irish loch lake; see loch]