/ul'treuh meuh reen"/ , adj.
1. of the color ultramarine.
2. beyond the sea.
n.
3. a blue pigment consisting of powdered lapis lazuli.
4. a similar artificial blue pigment.
5. any of various other pigments.
6. a deep-blue color.
[ 1590-1600; ultramarinus, equiv. to L ultra ULTRA- + marinus MARINE ]