- Native alumina or aluminium sesquioxide, Al2O3; corundum;
esp., the blue transparent variety of corundum, highly prized as a gem. - The color of the gem; bright blue. - Any humming bird of the genus Hylocharis, native of South
America. The throat and breast are usually bright blue.
Meaning of 'sapphire' (Princeton's WordNet)
1 . sapphire
[ s]
Meaning (1): - of something having the color of a blue sapphire