Genuflection or genuflexion is the act of bending a knee to the ground, as distinguished from kneeling which more strictly involves both knees. From early times, it has been a gesture of deep respect
Genuflection on one knee, during a Catholic Mass
Traditionally, marriage proposals use genuflection
Two priests of Church of Sweden and one acolyte genuflect to the Blessed Sacrament on the high altar during Mass at Kungsholm Evangelical-Lutheran Church, part of the Diocese of Stockholm
Manuel II of Portugal during Missa de Campanha, c. 1910
A tabernacle, also called a sacrament house, is a fixed, locked receptacle, usually located in a church or chapel, in which the Eucharist is reserved as part of the practice of keeping the "reserved s
The tabernacle at St Raphael's Cathedral in Dubuque, Iowa, placed on the old high altar of the cathedral (cf. General Instruction of the Roman Missal, 315, a)
The ornate tabernacle in St Martin's church, Kortrijk, Belgium
Tabernacle at Cathédrale Saint Louis de Versailles
Tabernacle at St. Catherine of Siena Church, in Trumbull, Connecticut.