Term: syrinx: the vocal organ of a bird
Broader: physical entity: an entity that has physical existence | Unrelated: pacing: walking with slow regular strides
Broader: physical entity: an entity that has physical existence | Unrelated: raja: type genus of the family Rajidae
Broader: physical entity: an entity that has physical existence | Unrelated: letter of credit: a document issued by a bank that guarantees the payment of a customer's draft; substitutes the bank's credit for the customer's credit
Broader: physical entity: an entity that has physical existence | Unrelated: oregon maple: maple of western North America having large 5-lobed leaves orange in autumn
Broader: physical entity: an entity that has physical existence | Unrelated: pteropsida: used in former classifications to include all ferns and flowering plants and divided into the three classes Filicinae and Gymnospermae and Angiospermae
Broader: physical entity: an entity that has physical existence | Unrelated: erosion: condition in which the earth's surface is worn away by the action of water and wind
Broader: physical entity: an entity that has physical existence | Unrelated: downstroke: a stroke normally made in a downward direction
Broader: physical entity: an entity that has physical existence | Unrelated: bayonet: a knife that can be fixed to the end of a rifle and used as a weapon
Broader: physical entity: an entity that has physical existence | Unrelated: gorge: a deep ravine (usually with a river running through it)
Broader: physical entity: an entity that has physical existence | Unrelated: zanthoxylum: deciduous or evergreen trees or shrubs: prickly ash