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What Does BO Mean in Knitting?

BO means bind off.

Bind Off · Techniques

Bind Off explained

Finishing your knitting by securing the live stitches so they can't unravel. British patterns call this 'cast off' — it is exactly the same technique.

UK and US terminology

United States
bind off
United Kingdom
cast off

The converter can switch a whole pattern between UK and US terminology for you.

How you might see it written

Patterns aren't always consistent. BO may also appear as bo, bind off, cast off, or castoff. The converter recognizes all of these.

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