How many letters does the top answer for “having, or consisting of, but one fold.” have?

The most common answer is uniplicate (10 letters).

Crossword clue: having, or consisting of, but one fold.

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

uniplicate 10 letters web-def

Having, or consisting of, but one fold.

having but one branch. 50% similar → uniramous

having but one cilium. 50% similar → monociliated

having but one ray. 50% similar → uniradiated