noun the fifth day of the week; the fourth working day
Th.
WordNet
Thurs"day noun
Etymology
OE. ursdei, orsday, from the Scand. name Thor + E. day. Icel. orr Thor, the god of thunder, is akin to AS. unor thunder; D. Donderdag Thursday, G. Donnerstag, Icel. orsdagr, Sw. & Dan. Torsdag. *52. See Thor, Thunder, and Day.
Definitions
The fifth day of the week, following Wednesday and preceding Friday.