monogram

/M AA1 N AH0 G R AE0 M/
noun
  1. 1

    A picture drawn in line only, before the colour and/or shading is applied; an outline sketch.

noun
  1. 1

    A sentence consisting of only one line, or an epigram consisting of only one verse, of poetry.

noun
  1. 1

    A design composed of one or more letters, often intertwined, used as an identifying mark of an individual or institution.

verb
  1. 1

    To mark something with a monogram.

Source: https://en.wiktionary.org/wiki/monogram