Crossword clue: the act of winking; nictitation.
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
a reflex that closes and opens the eyes rapidly
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
a reflex that closes and opens the eyes rapidly