[1620–30; instruct(o)r + -ess]This word is first recorded in the period 1620–30. Other words that entered Englishat around the same time include: acid, hotbed, phosphorus, plug, veto-ess is a suffix forming distinctively feminine nouns. Other words that use the affix-ess include: actress, adventuress, mistress, peeress, proprietress
Examples of 'instructress' in a sentence
instructress
`You ought to be doing my job," he told his instructress appreciatively.
Dobbs, Michael WALL GAMES
And he had a scuba-diving lesson with a tanned instructress, whom he declared 'fit'.