Brother-in-law

//ˈbɹʌðɚ ɪn ˌlɔ// noun

Definitions

Noun
  1. 1
    A male relative of one's generation, separated by one degree of marriage:; The brother of one's spouse.

    "The US Securities and Exchange Commission has closed its insider trading investigation into stock trades made by then-Sen. Richard Burr and his brother-in-law at the outset of the pandemic, the former senator announced Friday."

  2. 2
    a brother by marriage wordnet
  3. 3
    A male relative of one's generation, separated by one degree of marriage:; The husband of one's sibling.
  4. 4
    Co-brother-in-law: A male relative of one's generation, separated by two degrees of marriage:; The husband of the sibling of one's spouse.

    "He was appalled by trench conditions and the prolongation of the war, a disillusionment further encouraged by the Easter rising, in which his brother-in-law, Francis Sheehy-Skeffington (qv), was murdered by a deranged Anglo–Irish officer, J. C. Bowen-Colthurst (qv)."

  5. 5
    Co-brother-in-law: A male relative of one's generation, separated by two degrees of marriage:; The brother of the spouse of one's sibling. uncommon

Etymology

From Middle English brother-in-lawe; equivalent to brother + -in-law.

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