basil

noun7

1. •
   A plant (Ocimum basilicum).
2. •
   Any other species in the genus Ocimum.
3. •
   The leaves of this plant used as a herb.
4. •
   The angle to which a joiner's tool is ground away.
5. •
   The skin of a sheep tanned with bark.
6. •
   (no longer used, historical) A fetter fastened round the ankle of a prisoner.

   • When I once more feel that sharp smarting around the scabby sores that cluster like so many oysters on my ankles beneath my chained iron basils, I know that the tide has turned. — 2001
7. •
   (no longer used) A type of cannon.

verb1

1. •
   To grind the edge of a tool to an acute angle.

   • These usually large chisels may have the edge basiled on either the inside or the outside of the 90° angle of the blade. — 1972

noun1

1. •
   Acronym of biphasic acid scavenging utilising ionic liquids.