Term: protohippus: Pliocene horse approaching donkeys in size
Broader: horse: solid-hoofed herbivorous quadruped domesticated since prehistoric times | Unrelated: fennel seed: aromatic anis-scented seeds
Broader: horse: solid-hoofed herbivorous quadruped domesticated since prehistoric times | Unrelated: explosive unit: any unit for measuring the force of explosions
Broader: horse: solid-hoofed herbivorous quadruped domesticated since prehistoric times | Unrelated: neocolonialism: control by a powerful country of its former colonies (or other less developed countries) by economic pressures
Broader: horse: solid-hoofed herbivorous quadruped domesticated since prehistoric times | Unrelated: spectator: a close observer; someone who looks at something (such as an exhibition of some kind)
Broader: horse: solid-hoofed herbivorous quadruped domesticated since prehistoric times | Unrelated: letter: a written message addressed to a person or organization
Broader: horse: solid-hoofed herbivorous quadruped domesticated since prehistoric times | Unrelated: rock penstemon: one of the West's most beautiful wildflowers; large brilliant pink or rose flowers in many racemes above thick mats of stems and leaves; ledges and cliffs from Washington to California
Broader: horse: solid-hoofed herbivorous quadruped domesticated since prehistoric times | Unrelated: georgian monetary unit: monetary unit in Georgia
Broader: horse: solid-hoofed herbivorous quadruped domesticated since prehistoric times | Unrelated: forgivingness: tendency to be kind and forgiving
Broader: horse: solid-hoofed herbivorous quadruped domesticated since prehistoric times | Unrelated: scrophularia: type genus of Scrophulariaceae; named for the plants' supposed ability to cure scrofula: figworts
Broader: horse: solid-hoofed herbivorous quadruped domesticated since prehistoric times | Unrelated: sand rat: southern European gerbil