one special skill; a single talent
Refers to having one particular skill or talent, often in contrast to being well-rounded. Frequently used in phrases like 一芸に秀でる (to excel in one thing) or 一芸入試 (entrance exam based on a special talent).
彼は一芸に秀でている。
He excels in one particular skill.
一芸
I passed the university entrance exam through the special talent admission.
excelling in one area or skill; being gifted in one particular field
admission based on special talent; non-academic admission system
Compound of 一 (one) and 芸 (art, skill). The reading いちげい follows standard on'yomi.