Sentence:  The greater part of Leuchars <WSD>Loch</WSD> belonged to the Inneses of Leuchars, Cotts to the Inneses of Innes; and while thus poſſeſſed, many unſucceſsful attempts to drain both, by canals, to the river Loſſie, ſeem to have been made. ... [A] very ordinary fall of rain raiſes it [the river] far beyond its natural bounds; and the immediate conſequence of ſuch floods, was, the ſpeat-water flowing into thoſe <WSD>lochs</WSD>, by the canal, and covering the adjacent meadows. 
Meaning of the word marked with <WSD> tags:  A lake.