Ynformaasje oer it wurd or (Ingelsk → Esperanto: aŭ)

This does not indicate a range (for which the en dash is used), or function as the minus sign (which also has its own glyph).

It is a deciduous shrub or small tree growing to 4–5 m tall.

Or, Britain will exit the EU without a deal on March 29.

They had to go sooner or later.