ceiling; ceiling (e.g. of share price); ceiling price
blue sky; skyrocketing (of prices); having no limit; the sky being the limit
decorative ceiling painting
arched ceiling; vaulted ceiling; domed ceiling; circular ceiling
gallery (in a theatre); upper gallery; cheap seats; nosebleed section; the gods
river raised above the surrounding land
to have a narrow view of things; (lit.) to look at the ceiling through a reed
head and shoulders (chartist pattern)
to have a narrow view of things; (lit.) to peek at the ceiling through the pith of a reed