King's Kung-Fu& Tai Chi

Japanese symbol for “sperm”

Romaji: seishi
sperm; spermatozoon

In Japanese, sperm is , read (seishi).

Before using these characters for a tattoo, check them with a native speaker. Dictionary words often have several meanings, and the right choice depends on context.

Meanings

  1. n sperm; spermatozoon (biol)

Kanji and stroke order

refined, ghost, fairy
on: セイ、ショウ
kun: しら.げる、くわ.しい
14 strokes · JLPT 2
child, sign of the rat, 11PM-1AM
on: シ、ス、ツ
kun: こ、-こ、ね
3 strokes · JLPT 4

Other Japanese words for “sperm”

WordReadingMeaning
せいえき seiekisemen; seminal fluid; sperm
たね tanesperm; semen; seed
スペルマ superumasperm; semen; cum
こだね kodanesperm; (one's) seed
サーメン saamensperm; semen; cum

Related words

Words that share a kanji.

WordReadingMeaning
せいしん seishinmind; spirit; soul
せいみつ seimitsuprecise; exact; detailed
せいつう seitsuubeing well versed (in); being well acquainted (with); being familiar (with)
せいど seidoprecision; accuracy
せいえき seiekisemen; seminal fluid; sperm
こども kodomochild; children
じょし joshiwoman; girl
おんなのこ onnanokogirl; daughter; baby girl

See also: Chinese symbol for “sperm”.

Data: JMdict (CC BY-SA 4.0); KANJIDIC2 (CC BY-SA 4.0); KanjiVG (CC BY-SA 3.0); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.

Last posts

  1. Are Bamboo Practice Swords Safer Than Wooden Ones
  2. Choosing the Best Wooden Sword Stand for Your Collection
  3. Why Bokken Crack and Which Woods Handle Impact Best
  4. Best Bokken Bags and Cases for Martial Arts Training
  5. Choosing the Best Wooden Tanto for Realistic Knife Drills
  6. What Is a Suburito and Is It Worth Buying for Strength
  7. Buying a Wooden Wakizashi for Two-Sword Practice
  8. Buying Chanbara Swords for Sparring and Competition
  9. What Size Shinai Does a Child Need for Kendo Practice
  10. Best Polypropylene Bokken for Hard Contact Training