note

noun

1. a mark of some quality, condition, or fact; distinguishing or characteristic feature, mood, tone, etc. a note of sadness
2. importance, distinction, or eminence a person of note
3. 1. a brief statement of a fact, experience, etc. written down for review, as an aid to memory, or to inform someone else; memorandum
   2. a record of experiences, etc. the notes of a journey
4. a comment, explanation, or elucidation, as at the foot of a page; annotation
5. notice; heed; observation worthy of note
6. any of certain types of correspondence; specif.,
   1. a short, informal letter
   2. a formal diplomatic or other official communication
7. 1. a written promise to pay a sum of money or a written acknowledgment of a debt from which a promise of payment can be inferred
   2. a piece of paper currency a Federal Reserve note
8. a cry or call, as of a bird
9. a signal or intimation a note of admonition
10. Archaic a melody, tune, or song
11. Music
    1. a tone of definite pitch, as made by a voice or musical instrument
    2. a symbol for a tone, indicating the duration by its form and the pitch by its position on the staff
    3. a key of a piano or the like

Etymology: OFr < L nota, a mark, sign, character, letter < notus, pp. of noscere, to know < gnoscere, to know

transitive verb noted not′ed, noting not′·ing

1. to pay close attention to; heed; notice; observe
2. to set down in writing; make a note of
3. to mention particularly
4. to denote or indicate
5. to set down in musical notes

Etymology: ME noten < OFr noter < L notare < nota