One of a series of short sentences, usually taken from the Psalms, used antiphonally in worshipWorship 1. Doing homage and giving honour and respect to God. The Bible includes a wide range of physical expression in worship, including bowing down, lifting hands, dancing, processions and singing. The main day on which Christians gather for communal worship is Sunday (the day when Christ is believed to have risen from the dead). 2. Christian liturgy including sung material and prayers of thanksgiving and praise..