Another Gentile practice, connected with the one alluded to in the preceding verse, is here forbidden. The word “dog” is figurative (compare Revelation 22:15), and equivalent to the “sodomite” of the verse preceding.
Related Commentaries of Deuteronomy 23:18
Deuteronomy 23:18
18 Thou shalt not bring the hire of a whore, or the price of a dog, into the house of the LORD thy God for any vow: for even both these are abomination unto the LORD thy God.