nub

IPA: nˈʌb

(obsolete) The innermost section of a chrysalis in a silk cocoon.
A small lump or knob.
The essence or core of an issue, argument etc.
(slang) The clitoris.
(computing, colloquial) A pointing stick.
(Internet slang) Alternative spelling of noob. [(Internet slang, derogatory) A newb or newbie; refers to the idea that someone is new to a game, concept, or idea; implying a lack of experience. Also, in some areas the word noob can mean someone is obsessed with things.]

Examples of "nub" in Sentences

I hoard them, using them till the nub is so short I can’t grip it anymore.
We have nepeta that self sows about the garden and it is usually chewed to the nub, which is fine by me.
The nub is that whatever the presenter may think, people were offended - both in the talk and those who saw the slides later.
Kitteh needz moer hairgell to beet Christian… And wif doz teefs I wouldna want to be himz stylist… draw bak a nub from da poyntee endz!
In Palladium this is actually something called a "nub" -- in their marketing materials a "Trusted Operating Root" or "TOR" -- but we can pretend it's the OS kernel instead.
The diagram also shows that a rod should be pushed ideally 1. 25W, although because each nub is of length W, the push amount could theoretically range from fractionally more than 0. 25W to fractionally less than 2. 25W.
That 'nub' is so ingeniously, so casually, flung in, and immediately left there in the tail of the letter, undwelt upon, that an indifferent reader would never suspect that it was the heart and core of the epistle, if he even took note of it at all, This is the 'nub' --