Term: flat: a level tract of land
Broader: plain: extensive tract of level open land | Unrelated: boatswain's chair: a seat consisting of a board and a rope; used while working aloft or over the side of a ship
Broader: plain: extensive tract of level open land | Unrelated: coenzyme: a small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes
Broader: plain: extensive tract of level open land | Unrelated: rabbitweed: low-growing sticky subshrub of southwestern United States having narrow linear leaves on many slender branches and hundreds of tiny yellow flower heads
Broader: plain: extensive tract of level open land | Unrelated: histology: the branch of biology that studies the microscopic structure of animal or plant tissues
Broader: plain: extensive tract of level open land | Unrelated: bulblet fern: North American fern often bearing bulbils on the leaflets
Broader: plain: extensive tract of level open land | Unrelated: endocervicitis: inflammation of the mucous lining of the uterine cervix
Broader: plain: extensive tract of level open land | Unrelated: backbench: any of the seats occupied by backbenchers in the House of Commons
Broader: plain: extensive tract of level open land | Unrelated: esquire: a title of respect for a member of the English gentry ranking just below a knight; placed after the name
Broader: plain: extensive tract of level open land | Unrelated: schemer: a planner who draws up a personal scheme of action
Broader: plain: extensive tract of level open land | Unrelated: defoliator: an insect that strips the leaves from plants