氷ひょう棚ほうひょうほうMeanings1nounice shelfA floating sheet of ice permanently attached to a landmass. The synonym 棚氷 (たなごおり) is also used.See also: 棚氷南なん極きょくの氷ひょう棚ほうが崩ほう壊かいしつつある。The Antarctic ice shelf is collapsing.