A bushel (abbreviation: bsh. or bu. ) is an imperial and US customary unit of weight or mass based upon an earlier measure of dry capacity. The old bushel was equal to 4 pecks or 8 gallons and was used mostly for agricultural products such as wheat. Presently, the volume is usually only nominal, with bushels referring to standard quantities of mass instead.
interjection. 1  acronym for  ta-ta for now (i.e.  2 goodbye for now.) Used mainly in computer-based conversation (instant messaging, email, text messaging, etc.) TTFN. 3  See more words with the same meaning: Internet, texting, SMS, email, chat acronyms (list of) .
PSTN Definition - Public Switched Telephone Network. PSTN is the abbreviated term used for landline telephone system. Another term commonly used for it is POTS, which stands for Plain Old Telephone System, a non-geek way of naming the landline that is now old and quite plain and flat when compared to new competitors on the market.