dimple on one cheek
Refers to a dimple that appears on only one side of the face when smiling.
When she smiles, a dimple appears only on her left cheek.
えくぼ is a general term for dimples, often implying both cheeks; 片えくぼ specifically means a dimple on only one side.
Most common spelling; uses kana for えくぼ to avoid rare kanji.
Katakana variant sometimes seen in casual or stylistic writing.
Kanji spelling using 笑窪 for えくぼ; rarely used.
Kanji spelling using 靨 for えくぼ; marked as rarely used.
Compound of 片 (kata, 'one side') and えくぼ (ekubo, 'dimple'). The origin of えくぼ is uncertain, but it is a native Japanese word.