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馬甲線

简马甲线 · 繁馬甲線

Mandarin · pinyin mǎ jiǎ xiàn

(neologism, attested by 2013) (coll.) vertical groove visible on either side of the belly in a person with well-toned abs

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Characters in this entry

馬: Look up this written character
甲: jiǎ · armor, shell; fingernails; 1st heavenly stem
線: Look up this written character
马: mǎ · horse; surname; Kangxi radical 187
线: xiàn · line, thread, wire; clue

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Mandarin tones

3–3–4 · ma3 jia3 xian4

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Follow a written form into the eight pinned witnesses: Analects, Mencius, Laozi, Zhuangzi, Xunzi, Han Feizi, Sunzi and the Mao Shijing. A match is a place to investigate; it does not prove that a modern dictionary sense fits the passage.

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Wiktionary English definitions · Chinese section

Independent source senses for this spelling, with usage labels retained. Not matched to the pronunciation above.

noun

(neologism) groove formed between the muscles rectus abdominis and external oblique in people with firm abs (abdominal muscles)

Source page · dump 2026-09-02 · Contributors & history

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