stair

Từ điển WordNet v3.1 - WordNet Dictionary

noun

support consisting of a place to rest the foot while ascending or descending a stairway (Freq. 1)
- he paused on the bottom step
• Syn:
step
• Derivationally related forms:
step (for: step)
• Hypernyms:
support
• Hyponyms:
corbel step, corbie-step, corbiestep, crow step
• Part Holonyms:
stairway, staircase
• Part Meronyms:
riser, tread