arbalest
Concise Oxford English Dictionary © 2008 Oxford University Press:
arbalest /ˈɑːbəlɛst/ (also arblast)
▶noun historical a crossbow with a mechanism for drawing back and releasing the string.
– origin OE arblast, from OFr. arbaleste, from late L. arcubalista, from L. arcus ‘bow’ + ballista (see ballista).
'arbalest' also found in these Oxford entries:

