From The Collaborative International Dictionary of English v.0.48 :
Atrichornithidae \Atrichornithidae\ n. a antural family comprising the scrubbirds. Syn: family Atrichornithidae. [WordNet 1.5]From WordNet (r) 3.0 (2006) :
Atrichornithidae n 1: scrubbirds [syn: Atrichornithidae, family Atrichornithidae]