Alternative form of linn (“waterfall”)
"The old map marked a hidden cave beneath the mysterious lyn where the river plunges over the cliff."
A short form of female given names ending in -lyn, such as Evelyn and Carolyn; also used as a formal middle name.
"After her parents decided to shorten Evelyn to Lyn for everyday use, they registered the full version as a formal middle name on her birth certificate."