TgJ 2Sam12:3var. :וֻבחַנֵיה"וֻבחֵיקֵיה" שָכְבָא וַהְוָת לֵיה כִברַתָא‏ : she slept on his bosom and was like his daughter for him
See the entire entry for ḥyq#2 n.m. bosom