This is an updated and more extensive version of our previous quiz. Hopefully, for all those curious girls out there it will even further help to calm your anxieties about getting your first period. So, again, this quiz uses medical information to give you an accurate idea of when you will get your first period.
1 Aqueduct (water supply), an artificial (man-made) channel that is constructed to convey water from one location to another. This can be made of canals, pipelines, inverted siphons, reservoirs and tunnels.  Roman aqueduct, water supply systems constructed during the Roman Empire.
Learner's definition of DAM. [count] : a structure that is built across a river or stream to stop water from flowing. The government has plans to build a dam and flood the valley. There's a beaver dam [=a dam built by beavers] in the stream behind my house. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples. â compare 3dam.