complement
Definition of complement (n)
1a: something that fills up, completes, or makes better or perfectb(1): the full quantity, number, or assortment needed or included… the usual complement of eyes and ears …— Francis Parkman… after several more minutes of waiting, the full complement of runners was sent off by the starter's pistol.— Craig Neff
(2): the whole force or personnel of a ship
c: one of two mutually completing parts : COUNTERPART
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