- the organ in spiders, caterpillars, etc., that spins thread for webs or cocoons
- a thimblelike device or metal plate with tiny holes through which a solution is forced in the making of synthetic fibers
Origin of spinneretdiminutive of spinner
- Any of various tubular structures from which spiders and certain insect larvae, such as silkworms, secrete the silk threads from which they form webs or cocoons.
- A device for making rayon, nylon, and other synthetic fibers, consisting of a plate pierced with holes through which plastic material is extruded in filaments.