say it: in-vuh-KAY-shuhn
invocation is a noun meaning "a prayer asking God's help as part of a religious service". It carries 4 recorded senses.
a prayer asking God's help as part of a religious service
an incantation used in conjuring or summoning a devil
calling up a spirit or devil
the act of appealing for help
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for invocation come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.