1. [ [Undefined_variable] ] pronoun, third person singular
2. [ noun ] (chemistry) a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)
Synonyms: helium atomic_number_2
Related terms: chemical_element noble_gas
3. [ noun ] Last name, frequency rank in the U.S. is 11061
4. [ noun ] the 5th letter of the Hebrew alphabet
Related terms: letter Hebrew_alphabet
Similar spelling:   hey