Comose: ending in a tuft or brush.
Complanate: compressed: flattened above and below: = deplanate.
Complemental: applied to sexed forms in the Termitidae, capable of reproduction, but which do not reach the winged stage; the females are less fertile than the forms that become winged and several may be used in one nest to replace a lost queen or mature female.
Complicant: when one elytron extends over the other and partially covers it.
Complicate: longitudinally laid in folds: intricate as opposed to simple.
Component: one part of a combined whole.
Compound: made up of many similar or dissimilar parts.
Compressed: flattened laterally.
Concatenate: linked together in a chain-like series.
Concave: hollowed out; the interior of a sphere as opposed to the outer or convex surface: concave veins are those that occupy the bottoms of troughs or grooves on the upper surface of a wing; see convex veins.