initials

noun

1. (form-of, plural)plural of initial
2. (plural, plural-only)An abbreviation of a person's name, constructed by taking the initial letters of first, last, and sometimes middle name(s). See monogram

   “Write your initials at the top of the page.”

verb

1. (form-of, indicative, present, singular, third-person)third-person singular simple present indicative of initial