The Collaborative International Dictionary of English v.0.48:
Holm \Holm\ (h[=o]m), n. [AS. holm, usually meaning, sea, water; akin to Icel. h[=o]lmr, holmr, an island, Dan. holm, Sw. holme, G. holm, and prob. to E. hill. Cf. Hill.] [1913 Webster] 1. An islet in a river. --J. Brand. [1913 Webster] 2. Low, flat land. --Wordsworth. [1913 Webster] The soft wind blowing over meadowy holms. --Tennyson. [1913 Webster] Holm thrush (Zool.), the missel thrush. [1913 Webster]