Definitions:
a wind instrument made from a tube with holes that are stopped by the fingers or keys, held vertically or horizontally (in which case it is also called a transverse flute) so that the player's breath strikes a narrow edge. the modern orchestral form is a transverse flute, typically made of metal, with an elaborate set of keys.

an ornamental vertical groove in a column.

a tall, narrow wine glass

speak in a melodious way

make flutes or grooves in