Webster's Revised Unabridged Dictionary · 1913

Tuesday

Tuesday (tūz"da; 48) , n.

[OE. Tewesday, AS. Tiwes dag the day of Tiw the god of war; akin to OHG. Zio, Icel. Tȳr, L. Jupiter, Gr. Zey`s;, cf. OHG. Ziostac Tuesday, G. Dienstag, Icel. Tȳsdagr. r244. See Deity, Day, and cf. Jovial.]

The third day of the week, following Monday and preceding Wednesday.