Term: christmas card: a card expressing a Christmas greeting
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: sundrops: a day-flowering biennial or perennial of the genus Oenothera
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: free state: any state prohibiting slavery prior to the American Civil War
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: blaxploitation: the exploitation of black people (especially with regard to stereotyped roles in movies)
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: roller coaster: elevated railway in an amusement park (usually with sharp curves and steep inclines)
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: abscission: shedding of flowers and leaves and fruit following formation of scar tissue in a plant
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: double boiler: two saucepans, one fitting inside the other
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: bacteriostasis: inhibition of the growth of bacteria
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: united states air force academy: a school for training men and women to become officers in the United States Air Force
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: mackerel: any of various fishes of the family Scombridae
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: deflection: a twist or aberration; especially a perverse or abnormal way of judging or acting