Term: hair stroke: a very fine line in writing or printing
Broader: hairline: a very thin line | Unrelated: thread blight: a disease of tropical woody plants (cacao or tea or citrus)
Broader: hairline: a very thin line | Unrelated: atrophy: a decrease in size of an organ caused by disease or disuse
Broader: hairline: a very thin line | Unrelated: swizzle stick: a small stick used to stir mixed drinks
Broader: hairline: a very thin line | Unrelated: algonquian: a member of any of the North American Indian groups speaking an Algonquian language and originally living in the subarctic regions of eastern Canada; many Algonquian tribes migrated south into the woodlands from the Mississippi River to the Atlantic coast
Broader: hairline: a very thin line | Unrelated: jujube: dark red plumlike fruit of Old World buckthorn trees
Broader: hairline: a very thin line | Unrelated: foresail: the lowest sail on the foremast of a square-rigged vessel
Broader: hairline: a very thin line | Unrelated: indus civilization: the bronze-age culture of the Indus valley that flourished from about 2600-1750 BC
Broader: hairline: a very thin line | Unrelated: endgame: the final stages of an extended process of negotiation
Broader: hairline: a very thin line | Unrelated: havoc: violent and needless disturbance
Broader: hairline: a very thin line | Unrelated: tuna: tropical American prickly pear of Jamaica