Dictionary.net

• TINEWALD, tin'wold, n. the parliament of the Isle of Man. [Cf. Shetland tingwall--Ice. thing-völlr--ting, a parliament, völlr, a wood.]

1908 - Chambers's Twentieth Century Dictionary of the English Language
By Thomas Davidson

• Isle of Man legislature. [old Norse]

1919 - The concise Oxford dictionary of current English
By Sir Augustus Henry