What does "abecedarium" mean?

A book used to teach the alphabet; alphabet book; primer.

How do you pronounce "abecedarium"?

Pronounced //ˌeɪ.bi.siˈdɛəɹ.i.əm//.

Common synonyms include: abecedary, battledore, casebook, elementary education, elements, grammar.

/ˌeɪ.bi.siˈdɛəɹ.i.əm/ noun

noun ·Rare ·Advanced level

Noun

1
A book used to teach the alphabet; alphabet book; primer.
2
An inscription consisting of the letters of an alphabet, almost always listed in order.

Borrowed from Latin abecedārium. Doublet of abecedary.