samphire
noun
sam·phire ˈsam-ˌfī(-ə)r 
1
: a fleshy European seacoast plant (Crithmum maritimum) of the carrot family that is sometimes pickled
2
: a common glasswort (Salicornia europaea) that is sometimes pickled
Example Sentences
Recent Examples on the Web The ingredients are over 99 percent natural and include things like organic rock samphire, biotechnological lingonberry extract, wild harvested dulse algae extract and organic birch sap. 
WSJ, 25 Aug. 2022 Minke Gin is the first-ever product containing rock samphire to be imported to the country. Elizabeth Brownfield, Forbes, 11 June 2022 Next, at the beach, take a seaweed walk alongside seals and sea birds and learn how to traditionally harvest seaweed, rock samphire and pepper dulse. Jennifer Billock, Smithsonian Magazine, 17 Feb. 2022 Sea urchin bruschetta with taramasalata and samphire with black rock salt are served quayside by a polished crew. Rachel Howard, Travel + Leisure, 27 Dec. 2021 Yet until recently, sea beans, which belong to the genus Salicornia and are also known as samphire, glasswort, pickleweed, and sea asparagus, had never figured prominently in Charleston’s storied culinary traditions. Caroline Hatchett, Smithsonian Magazine, 12 Mar. 2021 Salah sits down and proceeds to order the salmon fillet, which comes with rainbow carrots, samphire, smoked leek and potato puree. James Masters And Becky Anderson, CNN, 24 Apr. 2018 See More
WSJ, 25 Aug. 2022 Minke Gin is the first-ever product containing rock samphire to be imported to the country. Elizabeth Brownfield, Forbes, 11 June 2022 Next, at the beach, take a seaweed walk alongside seals and sea birds and learn how to traditionally harvest seaweed, rock samphire and pepper dulse. Jennifer Billock, Smithsonian Magazine, 17 Feb. 2022 Sea urchin bruschetta with taramasalata and samphire with black rock salt are served quayside by a polished crew. Rachel Howard, Travel + Leisure, 27 Dec. 2021 Yet until recently, sea beans, which belong to the genus Salicornia and are also known as samphire, glasswort, pickleweed, and sea asparagus, had never figured prominently in Charleston’s storied culinary traditions. Caroline Hatchett, Smithsonian Magazine, 12 Mar. 2021 Salah sits down and proceeds to order the salmon fillet, which comes with rainbow carrots, samphire, smoked leek and potato puree. James Masters And Becky Anderson, CNN, 24 Apr. 2018 See More Word History
Etymology
alteration of earlier sampiere, from Middle French (herbe de) Saint Pierre, literally, St. Peter's herb
First Known Use
1545, in the meaning defined at sense 1