Now the lords of the Philistines gathered together to sacrifice a great sacrifice to Dagon their god and to rejoice, for they said, “Our god has given Samson our enemy into our hand.”
“god.” The word “god” is plural in form, but the associated verbs are all singular. The same thing occurs with Elohim, the God of the Hebrews, and the plural form does not make “God” into a plurality of persons.