Using or involving the use of a minimum of words: concise to the point of seeming rude or mysterious
Laconia was an ancient country in southern Greece, bordering on the Aegean and the Mediterranean seas. Its capital city was Sparta, and the Spartans were famous for their terseness of speech. Laconic comes to us by way of Latin from Greek Lakōnikos, which is derived from Lakōn, meaning "native of Laconia." It has been with us since the 16th century and has sometimes been used with the basic meaning "of or relating to Laconia or its inhabitants" (though we're more apt to use Laconian for this meaning today). In current use, laconic means "terse" or "concise," and thus recalls the Spartan tendency to use the fewest words possible.
A miserly person.
Originally, a pinchgut was someone who didn’t give enough food to a ship’s crew.
1: a symbol written above and to the right of a mathematical expression to indicate the operation of raising to a power
2 a: one that expounds or interprets
b: one that champions, practices, or exemplifies
You probably won't be surprised to learn that exponent shares an ancestor with proponent—and indeed, the Latin ponere ("to put") is at the root of both terms. Exponent descends from exponere, which joins ponere with ex- ("out") and means "to put forth" or "to explain." Proponent traces to proponere, a word created from the affix pro- ("before") that can mean "to put before," or "to display" or "to declare." Proponent is related to propose and can describe someone who offers a proposal, but today it usually means "one who argues in favor of something." Exponent can also refer to someone who is an advocate, but it tends to refer especially to someone who stands out as a shining representative of something. In addition, it has retained its earlier meaning of "one who expounds."