(in dated typography) A space of non-variable width: ⊣ ⊢ equal to the width of a period (full stop) or comma, inserted after ⟨“⟩ or ⟨‘⟩ and before ⟨”⟩ or ⟨’⟩ (and sometimes ⟨?⟩ or ⟨!⟩), unless a pu...

(transitive) To cut a rabbet in a piece of material.

(Internet slang, text messaging) Initialism of I don't think so.

The Japanese art of repairing broken pottery with lacquer dusted or mixed with powdered gold or similar material, highlighting the cracks instead of disguising them.