negative flag

noun

the letter N in the International Code of Signals, signifying “no” when flown by itself: a square flag having four rows of alternate blue and white squares.

Origin of negative flag

First recorded in 1905–10

Words nearby negative flag

negative electricity, negative end-expiratory pressure, negative equity, negative eugenics, negative feedback, negative flag, negative glow, negative hallucination, negative income, negative income tax, negative ion