ultramarine Definition

ultramarine
noun

1. A deep-blue pigment used in paints, originally made by grinding lapis lazuli.
2. The colour of this pigment.

adj

1. Of the colour ultramarine.
2. rare
From or situated beyond the sea.

Etymology: 16c: from Latin ultramarinus, from ultra beyond + mare sea, so called because the lapis lazuli, used to make the pigment, was imported from Asia.