Term: eiderdown: down of the eider duck
Broader: feather: the light horny waterproof structure forming the external covering of birds | Unrelated: erigeron: cosmopolitan genus of usually perennial herbs with flowers that resemble asters; leaves occasionally (especially formerly) used medicinally
Broader: feather: the light horny waterproof structure forming the external covering of birds | Unrelated: seal bomb: a small explosive device (resembling a firecracker) that is used underwater in order to frighten mammals away from fishing grounds
Broader: feather: the light horny waterproof structure forming the external covering of birds | Unrelated: pseudomonadales: one of two usually recognized orders of true bacteria; Gram-negative spiral or spherical or rod-shaped bacteria usually motile by polar flagella; some contain photosynthetic pigments
Broader: feather: the light horny waterproof structure forming the external covering of birds | Unrelated: language requirement: a requirement that a student know certain languages
Broader: feather: the light horny waterproof structure forming the external covering of birds | Unrelated: lesser scaup: common scaup of North America; males have purplish heads
Broader: feather: the light horny waterproof structure forming the external covering of birds | Unrelated: lime: any of various related trees bearing limes
Broader: feather: the light horny waterproof structure forming the external covering of birds | Unrelated: validation: the act of validating; finding or testing the truth of something
Broader: feather: the light horny waterproof structure forming the external covering of birds | Unrelated: katsuwonus: oceanic bonitos; in some classifications placed in its own family Katsuwonidae
Broader: feather: the light horny waterproof structure forming the external covering of birds | Unrelated: rhinoscope: medical instrument consisting of a mirror mounted at an angle on a rod; used to examine the nasal passages (through the nasopharynx)
Broader: feather: the light horny waterproof structure forming the external covering of birds | Unrelated: state: a state of depression or agitation