noun
cotton sewing needle
A needle specifically designed for sewing with cotton thread.
木綿針を使って、布を縫い合わせた。
I sewed the fabric together using a cotton sewing needle.
A general sewing needle, not specific to thread type.
Compound of 木綿 (もめん, 'cotton') and 針 (はり, 'needle'), with rendaku voicing of はり to ばり.