trailing spouse
n.— «The trend also means more companies hiring new executives offer some job-finding services to the spouse. In a growing number of cases, the so-called “trailing spouse” in human resources parlance, is the man.» —“Married couples increasingly relocate for wife’s career” by Janell Ross Shreveport Times (Lousiana) Dec. 19, 2006. (source: Double-Tongued Dictionary)