(anatomy, immunology) A site in lymph nodes and the spleen where mature B cells proliferate, differentiate, and mutate their antibody genes.

An emergency shelter that operates when temperatures become dangerously low, serving stranded travelers, displaced renters and homeowners, and the homeless.

Place or institution for temporary accommodation of vagrants, refugees, disaster victims and others.

(sports) In various sports, a visible or non-visible spot at the center of the playing surface.

plural of warming center

A piece of furniture, usually composed of a shelves and possibly also including cabinets, used to house major electronic items used for entertainment, such as a television set, a VCR and/or DVD player, stereo components, and cable or satellite television receivers.

plural of entertainment center

plural of cost center

plural of job center

In a publication and particularly a magazine, the two central pages, which belong to the same paper and face each other: the most visible part.