call, caul

Call or call means to summon or to contact, by voice or by telephone--
The children are playing outside; will you call them and tell them it's dinnertime?
Did you call the plumber? The sink's still leaking.
Call is also a noun ( thing or idea ), meaning a summons or attempt to contact--
He came home in answer to her call.
Did you return his call?

Caul or caul ( rhymes with call ) means a close-fitting cap of net or sheer material--
In the evening, she always wore a caul made of fine gold net.
Some people are superstitious about a baby born with a caul.

Now that you know that, you can say--
"We should call a costume designer to find out if this caul looks authentic."