What is the meaning of ?

Synonym of 川蜷 (kawanina, melanian snail (Semisulcospira libertina))

the use of a 蜷結び (ninamusubi, kind of decorative knot for strings)

Synonym of 川蜷 (kawanina, melanian snail (Semisulcospira libertina))

Source: wiktionary.org