'Kneeler' definitions:

Definition of 'kneeler'

(from WordNet)
noun
A person in a kneeling position
noun
A board (sometimes cushioned) for someone to kneel on

Definition of 'Kneeler'

From: GCIDE
  • Kneeler \Kneel"er\, n.
  • 1. One who kneels or who worships by or while kneeling. --Tennyson. [1913 Webster]
  • 2. A cushion or stool to kneel on, such as one attached to a pew in a church. [1913 Webster]
  • 3. (Eccl. Hist.) A name given to certain catechumens and penitents who were permitted to join only in parts of church worship. [1913 Webster]