spinneret
Concise Oxford English Dictionary © 2008 Oxford University Press:
spinneret /ˈspɪnərɛt/
▶noun
- 1 Zoology any of a number of different organs through which the silk, gossamer, or thread of spiders, silkworms, and certain other insects is produced.
- 2 (in the production of man-made fibres) a cap or plate with a number of small holes through which a fibre-forming solution is forced.
'spinneret' also found in these Oxford entries:

