noun

1. (heading) A symbol or annotation.

2. (heading) A written or printed communication or commitment.

3. (heading) A sound.

Synonyms: blemish, blot, brand, reproach, stain, stigma, taint, attention

verb

1. To notice with care; to observe; to remark; to heed.

   “If you look to the left, you can note the old cathedral.”

2. To record in writing; to make a memorandum of.

   “We noted his speech.”

3. To denote; to designate.

   “The modular multiplicative inverse of x may be noted x-1.”