box
box lunch

business
business lunch

come round
why don't you come round for lunch?

free
there's no such thing as a free lunch

have
to have lunch

hour
lunch hour

lunch
to have lunch / to take lunch

packed
packed lunch

see about
could you see about lunch?

slap-up
slap-up lunch

train
she had lunch on train

wait
don't wait lunch for me

working
working lunch