LATIN DICTIONARYLexicon Latīnum
proper noun · femininefirst declension

Seleucia

Seleucia f sg (genitive Seleuciae)

Meaning

  1. femininesingularAny of several cities in the ancient Middle East, including
  2. femininesingularSeleucia ad Tigrim, the capital of the Seleucid Empire

Declension

declension
formsingularplural
nominativeSeleucia—
genitiveSeleuciae—
dativeSeleuciae—
accusativeSeleuciam—
ablativeSeleuciā—
vocativeSeleucia—
locativeSeleuciae—

Sĕleucĭ_a (also written Sĕleucĕ_a), ae, f., = Σελεύκεια,
I. the name of several cities in Asia.
I. Pieria, a city in Syria, on the Orontes, now Kepse, Plin. 5, 12, 13, § 67; Cic. Att. 11, 20 init.—
II. A celebrated city in Babylonia, near the river Tigris, now ElModain, Sall. Ep. Mithrid. 19; called Seleucia Parthorum, Plin. 10, 48, 67, § 132; form Seleucea, Cael. ap. Cic. Fam. 8, 14, 1. —
III. Seleucia Trachēa = Σελεύκεια ἡ τραχει?͂ α, a city of Cilicia, Plin. 5, 27, 22, § 93; Amm. 14, 2, 14.

Origins

Borrowed from Ancient Greek Σελεύκεια (Seleúkeia).

Quick answers

What does Seleucia mean in Latin?
Seleucia, a proper noun, means “Any of several cities in the ancient Middle East, including”.
What is the genitive of Seleucia?
The genitive singular is Seleuciae. Seleucia is feminine, first declension.