primitive predaceous North American fish covered with hard scales and having long jaws with needlelike teeth
"The angler caught a gar in the murky pond, marveling at its long snout filled with razor-sharp, needlelike teeth."
elongate European surface-dwelling predacious fishes with long toothed jaws; abundant in coastal waters
"The angler cast his line into the murky estuary, hoping to hook a gar among the other fish swimming near the reeds."
A spear.
"The researcher noted that gar, which stands for glycineamide ribonucleotide, is a critical intermediate in the synthesis of cytidine triphosphate."
Any of several North American fish of the family Lepisosteidae that have long, narrow jaws.
Initialism of glycineamide ribonucleotide.
In plain English: GAR is a molecule involved in making building blocks for DNA and RNA.
"Scientists are studying gar to better understand early stages of RNA evolution."
To make, compel (someone to do something); to cause (something to be done).
"The loud ticking of the clock began to gar me into checking my watch every few minutes."
In plain English: To gar means to force someone to do something or make something happen.
"The king gar his subjects to attend the harvest festival."
Initialism of Grand Army of the Republic.
"The historical marker at the park entrance explains that GAR stands for Grand Army of the Republic, honoring the Union veterans who built it in 1866."