Definition: an opening through which fluid is admitted to a tube or container
Similar words: opening
Definition: a vacant or unobstructed space that is man-made
Usage: they left a small opening for the cat at the bottom of the door
Definition: an arm off of a larger body of water (often between rocky headlands)
Similar words: body of water, water
Definition: the part of the earth's surface covered with water (such as a river or lake or ocean)
Usage: they invaded our territorial waters; they were sitting by the water's edge