紡ぼう績せき突とっ起き

noun

spinneret (of a spider)

Rare, specialized zoological term. The more common word is 出糸突起 (しゅっしとっき).

See also: 出糸突起

• クモの紡ぼう績せき突とっ起きから糸いとが出でる。

  Silk comes out of the spider's spinneret.