/dit"oh/ , n. , pl. dittos , adv., v., dittoed, dittoing .
n.
1. the aforesaid; the above; the same (used in accounts, lists, etc., to avoid repetition). Abbr.: do. Symbol: ". Cf. ditto mark .
2. another of the same.
3. Informal. a duplicate; copy.
adv.
4. as already stated; likewise.
v.t.
5. to make a copy of, using a Ditto machine.
6. to duplicate or repeat the action or statement of (another person).
[ 1615-25; detto dictus said, ptp. of dicere to say; see DICTUM ]