| mountain sandwort | (n) boreal or alpine sandwort, Syn. mountain daisy, mountain starwort, Arenaria groenlandica |
| pine-barren sandwort | (n) deep-rooted perennial of southeastern United States, Syn. longroot, Arenaria caroliniana |
| rock sandwort | (n) low perennial tufted plant of southeastern North America, Syn. Arenaria stricta |
| sandwort | (n) loosely matted plant with moss-like foliage studded with tiny starry four-petaled white blossoms; mountains of central and southern Europe, Syn. Moehringia mucosa |
| sandwort | (n) low-growing herb having clusters of small white four-petaled flowers, Syn. Moehringia lateriflora |
| sandwort | (n) low-growing chiefly perennial plant usually with small white flowers suitable for e.g. rock gardens |
| seabeach sandwort | (n) perennial succulent herb with small solitary axillary or terminal flowers, Syn. Arenaria peploides |
| thyme-leaved sandwort | (n) Eurasian annual sprawling plant naturalized throughout North America, Syn. Arenaria serpyllifolia |
| Sandwort | n. (Bot.) Any plant of the genus |
| Sea sandwort | (Bot.) See Sea chickweed. [ 1913 Webster ] |