S: (n) flap (a movable piece of tissue partly connected to the body)
S: (n) flap, flaps (a movable airfoil that is part of an aircraft wing; used to increase lift or drag)
Verb
S: (v) roll, undulate, flap, wave (move in a wavy pattern or with a rising and falling motion) "The curtains undulated"; "the waves rolled towards the beach"
S: (v) flap (move noisily) "flags flapped in the strong wind"
S: (v) beat, flap (move with a thrashing motion) "The bird flapped its wings"; "The eagle beat its wings and soared high into the sky"
S: (v) beat, flap (move with a flapping motion) "The bird's wings were flapping"
S: (n) Union, North (the United States (especially the northern states during the American Civil War)) "he has visited every state in the Union"; "Lee hoped to detach Maryland from the Union"; "the North's superior resources turned the scale"
S: (n) coupling, mating, pairing, conjugation, union, sexual union (the act of pairing a male and female for reproductive purposes) "the casual couplings of adolescents"; "the mating of some species occurs only in the spring"
S: (n) union, unification (the state of being joined or united or linked) "there is strength in union"
S: (n) union, conglutination (healing process involving the growing together of the edges of a wound or the growing together of broken bones)
S: (n) union (a political unit formed from previously independent people or organizations) "the Soviet Union"
S: (n) union, sum, join (a set containing all and only the members of two or more given sets) "let C be the union of the sets A and B"
S: (n) union (the occurrence of a uniting of separate parts) "lightning produced an unusual union of the metals"
S: (n) union (a device on a national flag emblematic of the union of two or more sovereignties (typically in the upper inner corner))
S: (n) union, unification, uniting, conjugation, jointure (the act of making or becoming a single unit) "the union of opposing factions"; "he looked forward to the unification of his family for the holidays"
Adjective
S: (adj) Union, Federal (being of or having to do with the northern United States and those loyal to the Union during the American Civil War) "Union soldiers"; "Federal forces"; "a Federal infantryman"
S: (adj) union (of trade unions) "the union movement"; "union negotiations"; "a union-shop clause in the contract"