a. [f. COMB sb.1 + -Y.] Having combs or a comb-like structure; full of interstices like a honey-comb; favose.
1772. Projects, in Ann. Reg., 107/2. We have only two kinds of ashes solid, or hard, and comby, or light ashes.
1885. Geikie, Text-bk. Geol., 585. Banded, comby [structure of mineral veins], in parallel (and sometimes exactly duplicated) layers or combs.