I.
variant of boo
II. noun
also boe ˈbō
( plural boes )
Etymology: by shortening
slang : hobo
III. noun
( -s )
Etymology: probably short for bozo or hobo
slang : fellow , buddy — used chiefly in informal address
the truth is, bo , that the man's got a good name — Geoffrey Household
IV. noun
( -s )
Etymology: Singhalese bō — more at bo tree
: pipal