What does pistriger mean in Latin?

pistriger, a adjective, means “whale-bearing; carrying a whale's body, ending in a whale's tail”.

How do you pronounce pistriger?

In classical Latin, [ˈpɪs.trɪ.ɡɛr]; in ecclesiastical (church) Latin, [ˈpis.tri.d͡ʒer].

adjectivefirst/second-declension adjective (nominative masculine singular in -er)

pistriger (feminine pistrigera, neuter pistrigerum)

Classical[ˈpɪs.trɪ.ɡɛr]Ecclesiastical[ˈpis.tri.d͡ʒer]

singular
form	masculine	feminine	neuter
nominative	in -er pistriger	pistrigera	pistrigerum
genitive	pistrigerī	pistrigerae	pistrigerī
dative	pistrigerō	pistrigerae	pistrigerō
accusative	pistrigerum	pistrigeram	pistrigerum
ablative	pistrigerō	pistrigerā	pistrigerō
vocative	pistriger	pistrigera	pistrigerum

plural
form	masculine	feminine	neuter
nominative	pistrigerī	pistrigerae	pistrigera
genitive	pistrigerōrum	pistrigerārum	pistrigerōrum
dative	pistrigerīs	pistrigerīs	pistrigerīs
accusative	pistrigerōs	pistrigerās	pistrigera
ablative	pistrigerīs	pistrigerīs	pistrigerīs
vocative	pistrigerī	pistrigerae	pistrigera

pistrĭger, gĕra, gĕrum, adj. pistrisgero,

I. whale-bearing: Triton, i. e. carrying a whale's body, ending in a whale's tail, Sid. Ep. 4, 8.

From pistris (“any sea-monster; a whale, shark, sawfish”) + -ger (“bearing”).