Definition of rotmaster in English:

rotmaster

noun

historical, rareMilitary
  • The commander of a small detachment of soldiers.

Origin

Early 16th century; earliest use found in Remembrance Kynges Ordynance. Originally from either Dutch rotmeester (Middle Dutch rotmeester; from rot + meester) or its similarly-formed equivalent Middle Low German rōtemēster, with remodelling of the second element after master.

Pronunciation

rotmaster

/ˈrɒtmɑːstə/ /ˈrɒtmastə/