The Eucharist was commonly reserved in a piece of liturgical furniture called a tabernacle.  Often these were independent structures that resembled houses.  Some received impressive heights such as the Sacraments Tabernacle carved by Adam Kraft, 1493-96) for the church of St. Sebald, Nuremberg.  (Viollet-le-Duc, Mobilier 1:247: Church of Sénanque, 13th century) back to "worship"