Lewis & Short

prae-sŏlĭdus, a, um, adj., very solid (late Lat.).

  1. I. Lit., Coripp. Laud. Just. 3, 291.
  2. II. Trop., very firm, very constant, or steadfast: praesolidum Simonem dignum cognomine Petri, Juvenc. 1, 436.