Latin cross definitions

Latin cross

1) Communion table symbol
Found on https://www.crosswordclues.com/clue/latin-cross

A cross form which contains one arm that is longer than the other three, traditionally the base arm. This is the accepted manner of the Crucifixion cross, based upon the upright beam and crossbar commonly used by the Romans for execution. As a central Christian symbol, this motif is utilized in many forms, from literal sculpted figures of the Marty...
Found on http://www.artisansofthevalley.com/comm_gloss3.html

Latin cross

(from the article `architecture, Western`) The traditional plan for medieval churches was the Latin cross plan, as at San Lorenzo; the longer arm of the cross formed the nave of the church. ... There are four basic types of iconographic representations of the cross: the crux quadrata, or Greek cross, with four equal arms; the crux immis...
Found on http://www.britannica.com/eb/a-z/l/20

Latin cross

A cross in which the vertical member is longer than the horizontal member - i.e. there are three short arms and one long arm. Usually used as a term to describe a church whose ground plan resembles this from. Compare with Greek cross.
Found on http://www.virtualani.org/glossary/index.htm