How many letters does the top answer for “the facility where wild animals are housed for exhibition” have?

The most common answer is menagerie (9 letters).

Crossword clue: the facility where wild animals are housed for exhibition

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

menagerie 9 letters wn-def

the facility where wild animals are housed for exhibition

zoo 3 letters wn-def

the facility where wild animals are housed for exhibition