chol·la 
(choiə)
(choiə)n.
Any of several spiny, shrubby or treelike opuntias having cylindrical stem segments.
[American Spanish, from obsolete Spanish, upper part of the head, possibly from Old French cholle, round lump, head, of Germanic origin.]
- John Edward
- John Ernst
- Johne's disease
- John Everett
- John Fitzgerald
- John Florence Sullivan.
- John Forbes
- John Foster
- John Franklin
- John French
- John George
- John Gerard
- John Glover, Jr.
- John Greenleaf
- John Griffith
- John Gutzon de la Mothe Borglum.
- John Hancock
- John Hanning
- John Harold
- John Harris
- John Henry
- John Henry
- John Herschel, Jr.
- John Hope
- John Horse