che

noun1

1. •
   The letter Ч, ч.

pronoun1

1. •
   (no longer used) I.

   • Nay, come not near th' old man; keep out, che vor / ye, or ise try whether your costard or my ballow be / the harder: ch'ill be plain with you. — 1603

noun1

1. •
   Abbreviation of compressed helium; compressed helium gas