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"The engineer noted that a RON of 95 would provide better fuel efficiency than the older MON rating."
Abbreviation of research octane number.
"The ron was hidden behind the stack of old newspapers in the attic."
Abbreviation of remain overnight.
"The package will ron until Monday morning."
In plain English: To ron means to run away quickly from something scary or dangerous.
"The old man sat on his porch and read in peace while he waited for his grandson to arrive."
A diminutive of the male given name Ronald.
"Ron is my childhood friend who always calls me Ron too when we are hanging out at the park."
Ron is a shortened form of the name Ronald that entered common usage as a nickname. It traveled into English directly from the original full name without changing its meaning.