Often used in the pattern 〜の片鱗を見せる or 〜の片鱗をのぞかせる, meaning to show a small part or hint of something larger, such as talent, knowledge, or a hidden aspect.
I caught a glimpse of his deep erudition in the way he spoke.
その作品には天才の片鱗がうかがえる。
One can see a hint of genius in that work.
Standard kanji spelling.
Search-only kanji form; not a standard spelling.
片 (a piece) + 鱗 (scale, as of a fish). Literally 'a single scale', metaphorically a small part or glimpse of something larger.