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Webster 1913 Edition

Noun.

(Zool.)

The kob.

See also: singsing

sing-sing ‎(plural sing-sings)

(dated) A kind of antelope; the kob.
- 1867, Mayne Reid, Quadrupeds: what they are and where found (page 141)
  The negroes believe that its presence has a sanitary effect upon their cattle; and hardly a flock is seen without having one or two sing-sings along with it.
- 1867, Proceedings of the Zoological Society of London (page 7)
  […] the N'samma Antelope, which appears to be the native name in Uganda for the Kobus sing-sing.