H4148 מוּסָר (moo-sawr')

KJV renderings: bond, chastening(-eth), chastisement, check, correction, discipline, doctrine, instruction, rebuke.
Strong's definition: properly, chastisement; figuratively, reproof, warning or instruction; also restraint
Derivation: from H3256 (יָסַר);

From James Strong's public-domain dictionaries (H), JSON edition by OpenScriptures (CC-BY-SA). Every dotted-underline word in the text links here.