two-seamer
n.— «One of the buzz words for the Mariners this spring and into the regular season is “two-seamer,” also known as a sinking fastball.» —“Notes: M’s staff riding two-seamer” by Doug Miller in Seattle MLB.com Apr. 7, 2006. (source: Double-Tongued Dictionary)
Further reading
Residents of Martha’s Vineyard look forward each year to the arrival of pinkletinks, little frogs that herald the arrival of spring. Elsewhere, they’re called spring peepers, tinkletoes, and pink-winks. This is part of a complete episode...
She sells seashells by the seashore. Who is the she in this tongue twister? Some claim it’s the young Mary Anning, who went on to become a famous 19th-century British paleontologist. Dubious perhaps, but the story of her rise from seaside...