noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An antihistamine with sedative effects, used to treat allergic conditions such as hay fever and urticaria. uncountable
2. 2
   an antihistamine used in preparations to treat allergies and respiratory infections; used to treat rhinitis and skin rashes and pruritus wordnet

Related phrases

hay fever

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