Numbers 5:25

והניף THEN [THE PRIEST] SHALL WAVE [THE MEAL-OFFERING] — He moves it about horizontally and vertically, and she, too, waves it together with him, because her hand has to be above the hand of the priest (Sotah 19a). והקריב אתה — This refers to what is known as the הגשה — bringing it to the south-west corner of the altar before the קמיצה, “the taking off of the handful of flour”, just as is the case with all other meal-offerings (cf. Rashi on Leviticus 7:7 and Sotah 14b).

וְלָקַ֤ח הַכֹּהֵן֙ מִיַּ֣ד הָֽאִשָּׁ֔ה אֵ֖ת מִנְחַ֣ת הַקְּנָאֹ֑ת וְהֵנִ֤יף אֶת־הַמִּנְחָה֙ לִפְנֵ֣י יְהֹוָ֔ה וְהִקְרִ֥יב אֹתָ֖הּ אֶל־הַמִּזְבֵּֽחַ׃

Then the priest shall take the meal offering of jealousy out of the woman’s hand, and shall wave the offering before the Lord, and offer it upon the altar: