noun, verb ·Rare ·Advanced level

Definitions

Noun

1. 1
   A riding (administrative division). obsolete
2. 2
   The third part of anything; one third.

Verb

1. 1
   present participle and gerund of third form-of, gerund, participle, present

Synonyms

All synonyms

tertiary3rda thirdconsecutive intervalsdegreediapason