- chad - a small piece of paper that is supposed to be removed when a hole is punched in a card or paper tape
--1 is a kind of paper
--1 has particulars:dimpled chad, pregnant chad, dimple; hanging chad; swinging chad; tri-chad - Lake Chad, Chad - a lake in north central Africa; fed by the Shari river
--2 is a kind of lake
--2 is a part of Africa- Chad, Republic of Chad, Tchad - a landlocked desert republic in north-central Africa; was under French control until 1960
--3 is a kind of African country, African nation
--3 is a part of Africa
--3 has parts: N'Djamena, Ndjamena, Fort-Lamy, capital of Chad
--3 has members: Chadian- Chad, Chadic, Chadic language - a family of Afroasiatic tonal languages (mostly two tones) spoken in the regions west and south of Lake Chad in north central Africa
--4 is a kind of Afroasiatic, Afro-Asiatic, Afroasiatic language, Afrasian, Afrasian language, Hamito-Semitic
--4 has particulars: West Chadic; Biu-Mandara; East Chadic; Masa - Lake Chad, Chad - a lake in north central Africa; fed by the Shari river