name, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Acronym of airborne collision avoidance system. abbreviation, acronym, alt-of, uncountable
2. 2
   plural of ACA form-of, plural

Proper Noun

1. 1
   Advisory, Conciliation and Arbitration Service British

Synonyms

All synonyms

tcastcas

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.