ochre

1. A clay earth pigment containing silica, aluminum and ferric oxide. (countable, uncountable)
2. A somewhat dark yellowish orange colour. (countable, uncountable)
3. The stop codon sequence "UAA". (colloquial, countable, uncountable)
4. Money, especially gold. (countable, dated, slang, uncountable)
5. Any of various brown-coloured hesperiid butterflies of the genus Trapezites. (countable, uncountable)

Plural ochres