coistril

noun2

1. •
   (no longer used) A mean, paltry fellow; a coward.

   • And he shall 'by his merriment as dear / As ever coistril bought so little sport: / Ne'er let this sword assist me when I need, / But rust and canker after I have sworn. — 1592
2. •
   (no longer used) An inferior groom or lad employed by an esquire to carry the knight's arms and other necessaries; a coistrel.