Statistics for occurrence #1 of “Ostia” in book 9, commline 711 of John Conington, Commentary on Vergil's Aeneid, Volume 2:
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Pila may have its ordinary sense
of a pillar, in which case it is probably
intended as the foundation of some building.
Comp. Suet. Claud. 20 (speaking of
the harbour at Ostia ), congestis pilis
superposuit altissimam turrim.
Iactis
in altum molibus Hor. 3 Od. 1. 34.
Ante, as Wagn. remarks, shows the
labour that has been spent on the masonry.
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