- n. Plural form of triplane.
“Aviation companies by the scores produced monoplanes, biplanes, even triplanes, and incorporated all sorts of engines, designs and construction methods.”
“Meanwhile Connor and I had to face the near invincible German triplanes.”
“I zoomed around in sports cars and bright red Fokker triplanes.”
“By the way, the Royal Naval triplanes had been sent over 'specially for this work, and they did great execution among the enemy planes.”
“Gertie was miles back, concealed behind piles of triplanes and helicopters and following-surface monoplanes which the wizard inventor, C. Ericson, was creating and ruthlessly destroying ....”
“There are some triplanes, but they have not been very successful, and there are some freak aeroplanes built with as many as eight sets.”
“The growth of the aeroplane industry has developed as many makes of machines as there are makes of automobiles, but in a general way aeroplanes are divided into four classes -- monoplanes, biplanes, triplanes and hydroplanes.”
“V. Roe was also there experimenting with his triplanes.”
“Then he saw that the enemy barrage was falling further back, just about where the recovering infantry was resuming its advance, after the short shock occasioned by the two raiding triplanes that had suddenly gone aloft.”
“It was here that the superior speed and nimbleness of the Allied triplanes was soon apparent.”
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