[1] Likewise or similarly in other lexica. The headword, accusative singular of u(po/baqra, must be quoted from somewhere; there are numerous possibilities, all post-classical.
[2] An over-abbreviated version of Diogenes Laertius 1.94, on Periander (tyrant of Corinth); the woman, we read there, was either struck with a stool or kicked (while pregnant), and slanders came from concubines in the plural who were afterwards burned to death (see web address 1). Here the neuter noun u(po/baqron is used; cf. upsilon 446, upsilon 449.