τριήρει (trierei)
τριήρει is an Ancient Greek form of τριήρης, meaning “trireme”. It is the dative singular feminine noun.
Found 34 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 3.4.5: ἐν τούτῳ δὲ ἀποστέλλουσι καὶ ἐς τὴν Λακεδαίμονα πρέσβεις τριήρει, λαθόντες τὸ τῶν Ἀθηναίων ναυτικόν, οἳ ὥρμουν ἐν τῇ Μαλέᾳ πρὸς βορέαν τῆς πόλεως· οὐ γὰρ ἐπίστευον τοῖς ἀπὸ τῶν Ἀθηναίων προχωρήσειν.
All forms of τριήρης (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.