subgrundarium
subgrundārĭum, ĭī, n. , auvent pour une sépulture de petit enfant : Poet. d. Fulg. Exp. serm. ant. p. 560.
Subgrundarium
or Suggrundarium. A place for the burial of children who died before cutting their teeth; for such children were not cremated. See Fulgent. s. h. v.; and cf. Pliny H. N. vii. 15.