D defs.my
Entry 1 sense Webster, 1913

Glyn

/glĭn/ · IPA /ɡlɪn/
01 n. A glen. See Glen. [Obs. singly, but occurring often in locative names in Ireland, as Glen does in Scotland.]
  1. 1.
    A glen. See Glen. [Obs. singly, but occurring often in locative names in Ireland, as Glen does in Scotland.][Obs.] See: Glen
    “He could not beat out the Irish, yet he did shut them up within those narrow corners and glyns under the mountain's foot.” Spenser.