either

Entry Definition
on both sides
(baseball) s/he bats left- or right-handed, s/he is switch-hitter
on both sides, on either side
s/he is ambidextrous; (baseball) s/he can pitch left- or right-handed
or; (kosona ... kosona) either ... or
it could go either way; it could be changed, knocked off, etc., easily; it is precarious (e.g., something positioned close to the edge)