Lexical Definition

‎מִשְׁבֵּר‎ mishbêr (mish-bare') birth H:N-M
from ‎שָׁבַר‎

birth, breaking forth.

1) place of breaking forth, place of breach, opening
1a) of womb

Usage: 2 forms in 3 verses
Form Translated As     In Verse(s)
מַשְׁבֵּ֔ר birth 2Kgs.19.3Isa.37.3
בְּמִשְׁבַּ֥ר at birth of Hos.13.13

Brown-Driver-Briggs

‎מַשְׁבֵּר‎ noun [masculine] place of breach, i.e. mouth of womb; — ‎וְכֹחַ אַיִן לְלֵדָה‎ ‎׳‎‎בָּאוּ בָנִים עַדמֿ‎ 2Kgs 19:3 = Isa 37:3 (figurative of helplessness); construct ‎מִשְׁבַּר בָּנִים‎ Hos 13:13 (figurativeof opportunity).

Brown-Driver-Briggs References

Book Refs
2 Kings 19:3
Isaiah 37:3
Hosea 13:13