How many letters does the top answer for “a long stiff hair growing from the snout or brow of most mammals as e.g. a cat” have?

The most common answer is vibrissa (8 letters).

Crossword clue: a long stiff hair growing from the snout or brow of most mammals as e.g. a cat

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

vibrissa 8 letters wn-def

a long stiff hair growing from the snout or brow of most mammals as e.g. a cat

whisker 7 letters wn-def

a long stiff hair growing from the snout or brow of most mammals as e.g. a cat