obs
slang abbrev. observation. Cf. obbo.
| 1943 R.A.F. Jrnl. Aug. 32 The Met. Officer has sent his obs through each hour in the usual way. 1970 O. Norton Dead on Prediction v. 99 Hurry up. I'm keeping obs. |
obs
slang abbrev. observation. Cf. obbo.
| 1943 R.A.F. Jrnl. Aug. 32 The Met. Officer has sent his obs through each hour in the usual way. 1970 O. Norton Dead on Prediction v. 99 Hurry up. I'm keeping obs. |
Oxford English Dictionary