substrate

Sub"strate, n. Defn: A substratum. [R.] Sub"strate, a. Defn: Having very slight furrows. [R.] Sub*strate", v. t. Etym: [L. substratus, p.p. of substrahere. See Substratum.] Defn: To strew or lay under anything. [Obs.] The melted glass being supported by the substrated sand. Boyle.

---