ヒレ肉にくヒレにくMeanings1nounfillet; tenderloinRefers to the tenderloin cut of meat, especially beef, pork, or chicken. Often used in cooking contexts.See also: ヒレ今こん夜やはヒレ肉にくのステーキにしよう。Let's have fillet steak tonight.このヒレ肉にくはとても柔やわらかい。This tenderloin is very tender.