wick·er (wk r) 1. A flexible plant branch or twig, as of a willow, used in weaving baskets or furniture. [Middle English wiker, of Scandinavian origin; see weik- 2 in Indo-European roots.] wicker [ˈwɪkə] n adj [from Scandinavian; compare Swedish viker, Danish viger willow, Swedish vika to bend] wick*er (ˈwɪk ər) n.