- v. To fill a hole or cavity, or block an opening or passage, as with a plug.
- v. photography To increase the aperture of a photographic lens, moving from an f/stop represented by a higher number to an f/stop represented by a lower number and causing more light to pass into the camera.
- v. fill or close tightly with or as if with a plug
“As though to stop up his mouth he started to munch the parsley which Mistress Henrietta had given him.”
“Ya lift t’lid before ya sit down, an ya flush every time ya use it—an don’t ya fill it with paper or it’ll stop up an flood ova, an it’ll be yer goddam job t’clean it up.”
“The business of the modelling clay from the art-room which had been used to stop up the waste-pipe reacted for and against Smith, Mrs. Bradley decided.”
“Still another adventure befell us at sea; for my Lord Dragonès, a rich man of Provence, was sleeping one morning in his ship, which was about a league ahead of ours; and he called one of his squires, and said to him: "Go and stop up that opening, for the sun is in my eyes.”
““So that anybody who knew there was a lump of modelling clay in the art-room could have slipped in and taken enough to stop up that waste-pipe,” she said.”
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