Erayga "Rhinoceros unicornis" waxa uu tilmaamayaa magac saynis ah oo ka mid ah noocyada naasleyda waaweyn, oo sida badan loo yaqaan wiyisha Hindiya ama wiyisha hal gees leh ee weyn. Waa nooc ka mid ah wiyisha oo ka soo jeeda qaarad-hoosaadka Hindiya, waxaana lagu gartaa in uu sanka sanka ku leeyahay hal gees. oo leh hal ama laba gees oo toosan sanka, sida caadiga ah laga helo Afrika ama Aasiya. "Unicornis" waa kalmad Laatiinka ah oo macneheedu yahay "hal gees" ama "hal gees leh". Sidaa darteed, "Rhinoceros unicornis" waxa lagu qeexi karaa inay yihiin noocyada wiyisha oo gees qudha ku leh sanka, kaas oo loo yaqaan wiyisha Hindiya ama wiyisha hal gees ee weyn.