What is "cunabula"

Cunabula \Cu*nab"u*la\ (k[-u]*n[a^]b"[-u]*l[.a]), n. pl. [L., a cradle, earliest abode, fr. cunae cradle.]

1. The earliest abode; original dwelling place; originals; as, the cunabula of the human race.

2. (Bibliography) The extant copies of the first or earliest printed books, or of such as were printed in the 15th century.

n. 1 The earliest abode; original dwelling place; originals. 2 The extant copy of the first or earliest printed books, or of such as were printed in the 15th century.