/saf"uyeur/ , n.
1. any gem variety of corundum other than the ruby, esp. one of the blue varieties.
2. a gem of this kind.
3. the color of this gem, a deep blue.
adj.
4. resembling sapphire; deep blue: a sapphire sky.
[ 1225-75; sapphirus sáppheiros, prob. sappir; ulterior orig. obscure); r. ME safir ]