You searched for: “wail
wail, whale, whale
wail (WAYL) (verb)
To make a prolonged, high-pitched sound suggestive of a cry: "Wendy could hear the wind wail through the trees."
whale (HWAYL, WAYL) (noun)
Any of various marine mammals of the order Cetacea, having the general shape of a fish with forelimbs modified to form flippers, a tail with horizontal flukes, and one or two blowholes for breathing; especially, one of the very large species as distinguished from the smaller dolphins and porpoises: "The whale is still sought after for its flesh by certain countries."
whale (HWAYL, WAYL) (verb)
1. To strike or to hit repeatedly and forcefully; to thrash: "Josephine was so angry and out of control that she started to whale the cushion on the couch with her fists."
2. To attack vehemently: "The politician was on TV where people could hear him whale away at his critics."

If the biggest animal in the ocean could cry loudly, would that be considered a whale wail or even a wailing whale; especially if someone were whaling it?

A unit related to: “wail
(Latin: howl, wail, screech, cry out)