D defs.my
Entry 3 senses Webster, 1913

Honeymoon

/hŭn'-ēm-o͞onˌ/ · Hon·ey·moon · IPA /ˈhʌn.iˌmuːn/
01 n. The first month after marriage.
  1. 1.
    The first month after marriage.
  2. 2.
    A vacation taken together by a newly married couple, usually including a trip away from home.
  3. 3.
    Any initial period of harmony after two or more people or organizations begin working together; as, the usual honeymoon for a newly elected president was cut short by resumption of partisan sniping over the budget.[fig.]