1. Proceeding by threes; consisting of three.

2. The number three.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• veternary,
• deanary,
• terciary,
• tetiary,
• tenany,
• senary,
• urnary,
• tersiary,
• carnary,
• itenary,
• seanary,
• teriary,
• ornary,
• vaternary,
• cornary,
• iternary,
• tenacy,
• tennacy,
• terriary,
• terrry

The adjective form of the word "ternary" is "ternary".

The plural of the "ternary" can be the "ternaries".

The singular of the "ternary" can be the "ternary".