'Baluster' definitions:
Definition of 'baluster'
From: WordNet
noun
One of a number of closely spaced supports for a railing
Definition of 'Baluster'
From: GCIDE
- Baluster \Bal"us*ter\, n. [F. balustre, It. balaustro, fr. L. balaustium the flower of the wild pomegranate, fr. Gr. balay`stion; -- so named from the similarity of form.] (Arch.) A small column or pilaster, used as a support to the rail of an open parapet, to guard the side of a staircase, or the front of a gallery. See Balustrade. [Corrupted into banister.] [1913 Webster]