螺旋

Reading

Kana: らせん

Romaji: rasen

Definitions

noun

adj-no

1

spiral; helix

2

screw

See also: 捻子

Kanji

螺

Readings: ラ、 にし、 にな

Meanings: small, edible, helical fresh-water mollusk

旋

Reading: セン

Meanings: rotation, go around