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) .
Transthoracic echocardiogram. A transthoracic echocardiogram (TTE) is the most common type of echocardiogram, which is a still or moving image of the internal parts of the heart using ultrasound. In this case, the probe (or ultrasonic transducer) is placed on the chest or abdomen of the subject to get various views of the heart.