triacontad

plural triacontads

1. Synonym of thirty, the number between 29 and 31.

   Synonyms: thirty

2. A set of 30 items.

   1 more example

   Against these it is, and against their other fellow Gnosticks, that Chrysostome inueigheth, Hom. 24 in Gen. as Pererius hath well obserued: who transformed God the Father, Sonne, and Holy Ghost into Numbers; that brought in their Ogdoades, Duodecads, Triacontads, Pleromaos, Bythos, Siges, and all the Aeones, blasphemous speculations, into Censum Deitatis.

   1621, Richard Montagu, Diatribae upon the First Part of the Late History of Tithes, page 258

   Synonyms: trental