BR 1095:2(1) : ההיא אתתה מעברה וילדה בר דכר‏ : that woman is pregnant and will bear a male child
See the entire entry for mˁbr adj. pregnant; intercalated

BR 1095:2(1) :תניתה דביתה‏ : the beam of the house
See the entire entry for tynyyh n.f. beam (of house)