D defs.my
Entry 1 sense Webster, 1913

Digraph

· Di·graph · IPA /ˈdaɪˌɡræf/
01 n. Two signs or characters combined to express a single articulated sound; as ea in head, or th in bath.
  1. 1.
    Two signs or characters combined to express a single articulated sound; as ea in head, or th in bath.