banister vs. baluster

noun

  1. a baluster.

  2. Sometimes banisters. the balustrade of a staircase.

noun

  1. Architecture.,  any of a number of closely spaced supports for a railing.

  2. balusters, a balustrade.

  3. any of various symmetrical supports, as furniture legs or spindles, tending to swell toward the bottom or top.