a congenital or acquired malformation of the chest in which there is abnormal projection of the sternum and the sternal region, often associated with rickets
Also called: pigeon breast
Derived forms
chicken-breasted
adjective
chicken-breastedness
noun
Word origin
[1840–50]This word is first recorded in the period 1840–50. Other words that entered Englishat around the same time include: bypass, dope, organizer, plaque, sensationalism