n. 叉骨

[ noun ]
the furcula of a domestic fowl
<noun.animal>

Wishbone \Wish"bone`\, n.
The forked bone in front of the breastbone in birds; --
called also {merrythought}, and {wishing bone}. See
{Merrythought}, and {Furculum}.

Merrythought \Mer"ry*thought`\, n.
The forked bone of a fowl's breast; -- called also
{wishbone}. See {Furculum}.

Note: It is a sportive custom for two persons to break this
bone by pulling the ends apart to see who will get the
longer piece, the securing of which is regarded as a
lucky omen, signifying that the person holding it will
obtain the gratification of some secret wish.