This is another old variant form of the character meaning "to fight".
Tips
history
An old variant, not used in modern Chinese. The standard form is 斗 (traditional 鬥), to fight, as in 搏斗 and 斗争; it differs from the variant 鬬 only in inner detail.
register
Archaic only — found in old printed texts and variant tables, not in modern writing.
Components
radical
鬥dòu
to fight (the fight radical)
The wrapping 鬥 is the fight radical — two warriors grappling — and carries the whole meaning; its strokes open the character and close it after the inside is written. Modern Chinese reduced this to 斗.
phonetic
斲zhuó
to chop; here phonetic
The element enclosed by the fight radical is the phonetic, cueing the reading dòu; it sits inside the grappling-warriors frame which owns the meaning.