階梯
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Meanings
1
Formal or literary term for stairs; in everyday speech 階段 is far more common.
See also: 階段
When I climbed the stairs of the old building, they creaked.
3
Rare, somewhat dated term for an introductory guide or manual. Modern equivalents include 手引き or 入門書.
This book was written as a guide for learning French.
4
slanted ladder (exercise equipment)
Specialized term for a piece of exercise equipment resembling a slanted ladder. Rare outside fitness contexts.
I trained using the slanted ladder at the gym.