- an informal term of greeting
C20: shortened from how are you?
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for hiya
If we go up to fight against Rezu, who will lead us in the battle, O Hiya?She and Allan
H. Rider Haggard