Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

Būcĕphălas, ae (-lus, i, Paul. ex Fest. p. 32 Müll.; Būcĕphăla, Jul. Val. Rer. Gest. Alex. M. 3, 11), m., = Βουκεφάλας (Macedon. = Βουκέφαλος, that which is arked with the figure of a bullock’s head—βοῦς, κεφαλή—or so called from the breadth of its forehead),

  1. I. the horse of Alexander the Great, Curt. 6, 5, 18; 9, 3, 23; Gell. 5, 2, 1; acc. Bucephalan, Plin. 8, 42, 64, § 154.
    Hence,
  2. II. Būcĕphăla, ōrum, n. (or -la, ae, f., Curt. 9, 3, 23; or -īa, ae, f.; or -ē, ēs, f., Just. 12, 8, 8; or -lŏs, i, f., Gell. 5, 2, 5), = Βουκέφαλα, a town in India, on the Hydaspes, built by Alexander, and named after his horse, Plin. 6, 20, 23, § 77; Sol. 45.