It's plainly in the lexicon showing only one time usage in certain translations of that select passage, that's why there's a (1) in the usage. What is the basis of the definition, if there is no other usage in the entire Corpus of Greek? Show the specifics. There are times that Strong's takes certain liberties, such as with theri definition of "Theotes", this may be one of them. Also, was this definition in the original or an updated version?
Is it found in other Lexicons?
Either way, the word for "understand" would be different. It appears that if this version of Strong's is correct, it is the ONLY time in the history of Koine.
come to...ears (1), every (1), give heed (2), grant (1), hear (115), heard (216), hearers (1), hearing (24), hears (21), heed (2), listen (24), listened (1), listeners (1), listening (14), listens (5), reached (1), reported (1), understand (1), understands (1).