tarn 
(tärn)
(tärn)n.
A small mountain lake, especially one formed by glaciers.
[Middle English tarne, of Scandinavian origin.]
- irresponsive
- irresponsively
- irresponsiveness
- irretrievability
- irretrievable
- irretrievableness
- irretrievably
- irreverence
- irreverent
- irreverently
- irreversibility
- irreversible
- irreversibleness
- irreversibly
- irrevocability
- irrevocable
- irrevocableness
- irrevocably
- irrigable
- irrigate
- irrigation
- irrigational
- irrigator
- irritability
- irritable