Why does "dil" mean both "tongue" and "language"?

It's an ancient metonymy — the organ of speech stands in for speech itself. Same connection happens in Latin ("lingua"), Russian ("язык"), and many other languages.

Are there gendered differences in body part vocabulary?

No — Turkish has no grammatical gender. "Kalbim" (my heart) is the same word whether the speaker is a man or a woman.

Why is "thumb" called "head finger" (baş parmak)?

The thumb is the "leader" finger — biggest, most powerful, the one that opposes the others. Calling it "baş" (head) reflects this anatomical reality.

Are body-part idioms common in everyday speech?

Extremely. A 30-minute Turkish conversation will likely contain 3-5 body idioms. They're not formal or literary — they're everyday speech.

Turkish Body Parts Vocabulary: Head to Toe — Plus the Idioms You'll Actually Use

Every body part in Turkish, from head (kafa) to toe (ayak parmağı) — plus health phrases ("başım ağrıyor"), the body-part idioms Turks reach for daily, and the linguistic quirk where eyes always go in pairs.

Body vocabulary is the language of doctor visits, hairdressers, gym instructions, and a hundred everyday idioms. This guide walks from head to toe, then closes with the idioms native speakers actually use — the ones that make you sound like a local instead of a tourist with a phrasebook. The Head and Face (Baş ve Yüz) Turkish English baş / kafa head (kafa is informal) saç hair (on the head) yüz face alın forehead kaş eyebrow göz eye kirpik eyelash burun nose ağız mouth dudak lip diş tooth dil tongue (also "language" — same word!) çene chin / jaw yanak cheek kulak ear boyun neck boğaz throat Linguistic gem : Turkish "dil" means both "tongue" and "language." Same as Latin "lingua" → English "language" / "linguistic." Turks talking about which language they speak literally say "Türkçe biliyor…