D defs.my
Entry 1 sense Webster, 1913

Staircase

/(stâr"kās`)/ · Stair·case · IPA /ˈstɛɹˌkeɪs/
01 n. A flight of stairs with their supporting framework, casing, balusters, etc.
  1. 1.
    A flight of stairs with their supporting framework, casing, balusters, etc.
    “To make a complete staircase is a curious piece of architecture.” Sir H. Wotton.
Phrases & compounds
Staircase shell — Any scalaria, or wentletrap.