: a narrow elongated tract extending from a focus of suppuration and serving for the discharge of pus
b(1)
: a cavity in the substance of a bone of the skull that usually communicates with the nostrils and contains air
(2)
: a channel for venous blood
(3)
: a dilatation in a bodily canal or vessel
c
: a cleft or indentation between adjoining lobes (as of a leaf or corolla)
Example Sentences
Recent Examples on the WebThe leaves can be used to brew a soothing tea for sinus problems. Debra Utacia Krol, The Arizona Republic, 28 Aug. 2022 Another issue some community members highlighted is that dirt roads slow down emergency vehicles and cause sinus problems in small children due to dust getting kicked up. Tyler Olson, Fox News, 17 June 2022 Meanwhile, Baxter, who had been bothered with sinus issues during the week, played it safe in the first portion of the race by running with three McGill-Toolen runners, and made a move after the first mile. Arthur L. Mack, al, 5 Sep. 2021 The 2022 season has been nothing short of trying for Meadows and his health, dealing with a sinus infection, inner ear infection, vertigo, COVID-19, right and left Achilles strains and general soreness. Evan Petzold, Detroit Free Press, 2 Aug. 2022 Mountcastle was out of the lineup with a sinus issue. Nathan Ruiz, Baltimore Sun, 5 July 2022 One telltale sign is that sinus headaches don’t usually include nausea or vomiting. Emilia Benton, Men's Health, 30 June 2022 In addition to her breakup, Gunvalson was also under the weather, traveling to urgent care during the first episodes of RHUGT to treat what wound up being a sinus infection. Dave Quinn, PEOPLE.com, 30 June 2022 Justin Thomas, trying to shake off a sinus infection and allergies, made one of only four birdies on the 18th hole for a 67 in the afternoon, when greens had more foot traffic and scoring was more difficult. Dave Skretta, Chicago Tribune, 20 May 2022 See More
Word History
Etymology
Middle English, from Medieval Latin, from Latin, curve, fold, hollow