noun
fragment; broken piece; chip; splinter; shard
Refers to a small broken-off piece of a physical object, such as glass, pottery, or wood.
床にガラスのかけらが落ちている。
There are glass fragments on the floor.
He picked up the pieces of the broken plate.
noun
ounce (of truth, conscience, etc.); trace; shred; scrap
Used figuratively for a tiny amount of an abstract quality, often in expressions like 一片のかけらもない (not even a shred).
彼の話には真実のかけらもなかった。
There wasn't a shred of truth in his story.
良心のかけらも感じられない行動だ。
It's an act that shows not an ounce of conscience.