Lewis Short
plēnĭtūdo (noun F) : id.
* A being full, fulness, plenitude (generally post-Aug.).
* Completeness: plenitudo syllabarum,Auct. Her. 4, 20, 28.
* Fulness, abundance: terrae (i.e. frugum),Vulg. Deut. 33, 16 al.
* Thickness, stoutness, e. g. of a rod, of a man (post-Aug.), Col. 4, 30, 4; Plin. 11, 37, 87, § 216.
Charlton T. Lewis, Charles Short, A Latin Dictionary