† poister, v. Obs.
[app. a variant of pester v.1; cf. OF. enpaistrier (12th c. in Hatz.-Darm.).]
trans. To hopple, fetter, entangle, encumber.
In quot. 1523 (which is earlier than any instance of pester, empester, or impester), the sense is not very clear.
| 1523 Ld. Berners Froiss. I. Pref. 2 [History] depresseth, poystereth, and thrusteth downe such as ben wicked, yuell, and reprouable. 1567 J. Sandford Epictetus 6 When his foote is poistered and shakled, the bodie is also cumbred. |