What does Sȳmaeus mean in Latin?

Sȳmaeus, a noun, means “a Symaean (a native or inhabitant of Syme)”.

What is the genitive of Sȳmaeus?

The genitive singular is Sȳmaeī. Sȳmaeus is masculine, second declension.

In classical Latin, [syːˈmae̯.ʊs]; in ecclesiastical (church) Latin, [siˈmɛː.us].

noun · masculinesecond declension

Sȳmaeus m (genitive Sȳmaeī)

Classical[syːˈmae̯.ʊs]Ecclesiastical[siˈmɛː.us]

a Symaean (a native or inhabitant of Syme)
Nireus Achiuorum pulcherrimus, Symaeorum dux AA. 2,109Nireus the most handsome of the Achaeans, the leader of the Symaeans AA.2.1092006, Antonio Ramirez de Verger, “Index Nominum [Index of Names]”, in Publius Ovidius Naso: Carmina Amatoria [Ovid: Songs of Love] (Bibliotheca scriptorum Graecorum et Romanorum Teubneriana), second edition, Munich/Leipzig: in aedibus K. G. Saur, →ISBN, page 367:

Borrowed from Ancient Greek Σῡμαῖος (Sūmaîos).

Descendants

adjectivefirst/second-declension adjective

Sȳmaeus²

Sȳmaeus (feminine Sȳmaea, neuter Sȳmaeum)

Classical[syːˈmae̯.ʊs]Ecclesiastical[siˈmɛː.us]

singular
form	masculine	feminine	neuter
nominative	Sȳmaeus	Sȳmaea	Sȳmaeum
genitive	Sȳmaeī	Sȳmaeae	Sȳmaeī
dative	Sȳmaeō	Sȳmaeae	Sȳmaeō
accusative	Sȳmaeum	Sȳmaeam	Sȳmaeum
ablative	Sȳmaeō	Sȳmaeā	Sȳmaeō
vocative	Sȳmaee	Sȳmaea	Sȳmaeum

plural
form	masculine	feminine	neuter
nominative	Sȳmaeī	Sȳmaeae	Sȳmaea
genitive	Sȳmaeōrum	Sȳmaeārum	Sȳmaeōrum
dative	Sȳmaeīs	Sȳmaeīs	Sȳmaeīs
accusative	Sȳmaeōs	Sȳmaeās	Sȳmaea
ablative	Sȳmaeīs	Sȳmaeīs	Sȳmaeīs
vocative	Sȳmaeī	Sȳmaeae	Sȳmaea

Borrowed from Ancient Greek Σῡμαῖος (Sūmaîos).

What does Sȳmaeus mean in Latin?: Sȳmaeus, a noun, means “a Symaean (a native or inhabitant of Syme)”.
What is the genitive of Sȳmaeus?: The genitive singular is Sȳmaeī. Sȳmaeus is masculine, second declension.
How do you pronounce Sȳmaeus?: In classical Latin, [syːˈmae̯.ʊs]; in ecclesiastical (church) Latin, [siˈmɛː.us].