How many letters does the top answer for “hit lightly with a picking motion” have?

The most common answer is beak (4 letters).

Crossword clue: hit lightly with a picking motion

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

beak 4 letters wn-def

horny projecting mouth of a bird

peck 4 letters wn-def

hit lightly with a picking motion