The swallow hieroglyph is used in Egyptian hieroglyphs as a phonogram or biliteral[2] for wr-(or ur), and means items that are "great". It might be considered an equivalent to the cuneiform: gal, GAL, also meaning 'great'. The swallow hieroglyph is also an ideogram for the swallow birds.
^Houlihan, Patrick E.; Goodman, Steven M. (1986). The Natural History of Egypt, Volume I: The Birds of Ancient Egypt. Warminster: Aris & Philips. pp. 136–137. ISBN0-85668-283-7.
^Betrò, 1995. Hieroglyphics: The Writings of Ancient Egypt, synoptic profile only: Swallow or other member of the Hirundidae [sic] family, p. 130.