n.
Pronunciation: ' in-di- ˌ g ō
Function: noun
Inflected Form: plural -gos or -goes
Etymology: Italian dialect, from Latin indicum, from Greek indikon, from neuter of indikos Indic, from Indos India
Date: 1555
1 a : a blue vat dye obtained from plants (as indigo plants) b : the principal coloring matter C 16 H 10 N 2 O 2 of natural indigo usually synthesized as a blue powder with a coppery luster
2 : INDIGO PLANT
3 : a deep reddish blue