type a(n = noun.body) a, group a - the blood group whose red cells carry the A antigen; Array
is a kind of blood group, blood type

alpine type of glacier, asthenic type, athletic type, blood type, body type, catatonic type schizophrenia, cold type, disorganized type schizophrenia, paranoic type schizophrenia, piedmont type of glacier, pyknic type, rh-negative blood type, rh-positive blood type, roman type, type, type ab, type b, type family, type genus, type i allergic reaction, type i diabetes, type ii diabetes, type iv allergic reaction, type metal, type o, type of architecture, type species, type specimen