Correct spelling for the English word "CALSA" is [kˈalsə], [kˈalsə], [k_ˈa_l_s_ə] (IPA phonetic alphabet).
CALSA is not a widely recognized term in the English language, and thus it does not have an established dictionary definition. It is possible that CALSA is an acronym or abbreviation specific to a certain industry, organization, or geographic region. Without further context, it is not possible to provide a precise definition for CALSA.
However, it is worth mentioning that "Calsa" is a surname of Italian origin, which could refer to a family name. In this case, it would not have a dictionary definition but would represent a particular individual or family lineage.
It is important to consider that the meanings of acronyms and abbreviations can vary greatly depending on the context in which they are used. It is advisable to provide additional information or context for a more accurate and specific definition of CALSA if it is indeed an acronym or abbreviation.
Trade name of a preparation of agar-agar employed in the treatment of constipation.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.