Assertion: fern's frond | /r/Synonym | fiddlehead
Facets:
Source sentences:
text: New fronds are called crozier or fiddlehead, which is a tight spiral that unrolls as it grows.
text: Like other ferns, brackens do not have seeds or fruits, but the immature fronds, known as fiddleheads, are sometimes eaten, although some are thought to be carcinogenic.