co-location
co-location
(networking)The hyphenated form is correct and the most common on the web,followed by "colocation". "collocation" (/ko`loh-kay'sh*n/,not /koh'-/), is an old word with a similar meaning. It iscommon in dictionaries and follows the pattern of otherLatin-derived words like collect, college, and collate, but isleast common on the web.
The verbal form is "to colocate" or "co-locate" (commonly/koh'loh`kayt/, also (US) /koh`loh'kayt/).