, es; n. One form of the name of the Runic T; it is also the name of the god corresponding to the Latin Mars, and apparently used also of the planet bearing his name; as Grimm notices, the Runic symbol RUNE resembles that used for the planet :-- Tír byþ tácna sum, healdaþ trýwa wel wið æðelingas, á byþ on færylde ofer nihta genipu, nǽfre swíceþ, Runic pm. Kmbl. 342, 21-26; Rún. 17. The other name of the rune is Tí, v. Tíw, the two forms Tír, Tíw may be compared with Icelandic Týrr; gen. Týrs (cf. Dan. Tirs-dag), Týr; gen. Týs.