Japanese symbol for “tos”

胸郭出口症候群

きょうかくでぐちしょうこうぐん

Romaji: kyoukakudeguchishoukougun

thoracic outlet syndrome; TOS

In Japanese, tos is 胸郭出口症候群, read きょうかくでぐちしょうこうぐん (kyoukakudeguchishoukougun).

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

n thoracic outlet syndrome; TOS (med)

Kanji and stroke order

胸

bosom, breast, chest

on: キョウ
kun: むね、むな-

10 strokes · JLPT 2

郭

enclosure, quarters, fortification

on: カク
kun: くるわ

11 strokes · JLPT 1

出

exit, leave, go out

on: シュツ、スイ
kun: で.る、-で、だ.す、-だ.す

5 strokes · JLPT 4

口

mouth

on: コウ、ク
kun: くち

3 strokes · JLPT 4

症

symptoms, illness

on: ショウ

10 strokes · JLPT 1

候

climate, season, weather

on: コウ
kun: そうろう

10 strokes · JLPT 2

群

flock, group, crowd

on: グン
kun: む.れる、む.れ、むら、むら.がる

13 strokes · JLPT 2

Related words

Words that share a kanji.

Word	Reading	Meaning
度胸	どきょう dokyou	courage; bravery; pluck
胸部	きょうぶ kyoubu	chest; breast
胸元	むなもと munamoto	breast; chest
胸像	きょうぞう kyouzou	bust (sculpture); half-length portrait
胸中	きょうちゅう kyouchuu	one's heart; one's mind; one's intentions
胸襟	きょうきん kyoukin	one's heart
輪郭	りんかく rinkaku	contour; outline; silhouette
城郭	じょうかく joukaku	castle; citadel; fortress
出演	しゅつえん shutsuen	appearance (in a film, play, TV show, etc.); performance
人口	じんこう jinkou	population
症状	しょうじょう shoujou	symptoms; condition (of a patient)
候補	こうほ kouho	candidate; contender; prospect
抜群	ばつぐん batsugun	outstanding; excellent; exceptional

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.