Sixe is often a misspelling of sise.
Sixe has no English definition.
As a noun sise is
six.
sixe
English
Cardinal number
(head)
sise
English
Etymology 1
See sice.
Noun
(
en noun)
(obsolete) six
* Fuller
- In the new casting of a die, when ace is on the top, sise must needs be at the bottom.
Etymology 2
Noun
(
en noun)
(obsolete) An assize.
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