Definition of spinneret
1 : an organ (as of a spider or caterpillar) for producing threads of silk from the secretion of silk glands
2 or spinnerette : a small metal plate, thimble, or cap with fine holes through which a chemical solution (as of cellulose) is forced in the spinning of man-made filaments (as of rayon or nylon)
Recent Examples of spinneret from the Web
These structures are used to grasp the silk from its spinnerets to attach and wrap around its prey.
Idmonarachne also lacks something special that defines so much of the spider lifestyle: The fossil arachnid doesn’t have any spinnerets.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'spinneret.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of spinneret
Seen and Heard
What made you want to look up spinneret? Please tell us where you read or heard it (including the quote, if possible).