center, centre, middle, heart, eye -- (an area that is approximately central within some larger region; "it is in the center of town"; "they ran forward into the heart of the struggle"; "they were in the eye of the storm")
center, centre, midpoint -- (a point equidistant from the ends of a line or the extremities of a figure)
center, centre -- (a place where some particular activity is concentrated; "they received messages from several centers")
center, centre -- (the sweet central portion of a piece of candy that is enclosed in chocolate or some other covering)
center, centre, nerve center, nerve centre -- (a cluster of nerve cells governing a specific bodily process; "in most people the speech center is in the left hemisphere")
center, centre -- (a building dedicated to a particular activity; "they were raising money to build a new center for research")
Overview of verb centre
The verb centre has 2 senses
center, centre -- (move into the center; "That vase in the picture is not centered")
concentrate, focus, center, centre, pore, rivet -- (direct one's attention on something; "Please focus on your studies and not on your hobbies")