Lexical Definition

‎שָׂתַר‎ sâthar (saw-thar') to burst H:V
a primitive root

have in (one's) secret parts.

1) (Niphal) to burst out, break out

Usage: 1 form in 1 verse
Form Translated As     In Verse(s)
וַיִּשָּׂתְר֥וּ and they broke out 1Sam.5.9

Brown-Driver-Briggs

[‎שָׂתַר‎] verb Niph`al burst or break out, of tumours (Arabic have inverted, or cracked, eyelids, or lower lips; Ethiopic lacerate; Assyrian [šatâru] II. tear down; Syriac destroy, so Sabean ‎שתר‎ SabDenkmNo. 48, 1. 2, Biblical Aramaic ‎סְתַר‎ Ezra 5:12); —

Niph`al Imperfect ‎וַיִּשָּֽׂתְרוּ לָהֶם עפלים‎ 1Sam 5:9 and tumours brake out to them.

Brown-Driver-Briggs References

Book Refs
1 Samuel 5:9
Ezra 5:12