What does cacometer mean in Latin?

cacometer, a adjective, means “unmetrical (having faulty metre)”.

How do you pronounce cacometer?

In classical Latin, [kaˈkɔ.mɛ.tɛr]; in ecclesiastical (church) Latin, [kaˈkɔː.me.ter].

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

cacometer (feminine cacometra, neuter cacometrum)

Classical[kaˈkɔ.mɛ.tɛr]Ecclesiastical[kaˈkɔː.me.ter]

singular
form	masculine	feminine	neuter
nominative	in -er cacometer	cacometra	cacometrum
genitive	cacometrī	cacometrae	cacometrī
dative	cacometrō	cacometrae	cacometrō
accusative	cacometrum	cacometram	cacometrum
ablative	cacometrō	cacometrā	cacometrō
vocative	cacometer	cacometra	cacometrum

plural
form	masculine	feminine	neuter
nominative	cacometrī	cacometrae	cacometra
genitive	cacometrōrum	cacometrārum	cacometrōrum
dative	cacometrīs	cacometrīs	cacometrīs
accusative	cacometrōs	cacometrās	cacometra
ablative	cacometrīs	cacometrīs	cacometrīs
vocative	cacometrī	cacometrae	cacometra

căcŏmĕter or căcŏmĕtrus, a, um, adj.,

I. faulty in metre, unmetrical, Juba ap. Prisc. Mer. Ter. 58.