Definition of single:
"can you give me a single reason not to leave right now?"
"he went to the party, hoping to meet some friendly singles there."
(v) :
to
identify or
select one member of a
group from the others; generally used with
out, either to single out or to single (something) out; to get a
hit that advances the
batter exactly one
base
"eddie singled out his favorite marble from the bag."