The root aqua means "water," so the word aqueduct most likely means

"fish found only in rivers."
"a large bird that eats fish."
"the blue-green color of water."
"a pipe that carries water."

1 answer

The word aqueduct most likely means "a pipe that carries water." The root "aqua" indeed means "water," and an aqueduct is a structure or system designed to transport water from one place to another.