mothership

/M AH1 DH ER0 SH IH0 P/
noun
  1. 1

    A vessel or aircraft that serves or carries a smaller vessel or vessels that operate independently from it.

  2. 2

    Fond term of address for one's mother.

noun
  1. 1

    The state of being a mother; motherhood

Source: https://en.wiktionary.org/wiki/mother%20ship, https://en.wiktionary.org/wiki/mothership