|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
|the offspring of a zebra and a donkey.|
|1.||to adjust (the amount of heat, sound, etc, of something) as required; control|
|2.||to adjust (an instrument or appliance) so that it operates correctly|
|3.||to bring into conformity with a rule, principle, or usage|
|[C17: from Late Latin rēgulāre to control, from Latin rēgula a ruler]|
|(of a business, military outfit, routine, etc) controlled or supervised to conform to rules, regulations, tradition, etc: a well-regulated militia|
regulate reg·u·late (rěg'yə-lāt')
v. reg·u·lat·ed, reg·u·lat·ing, reg·u·lates
To control or direct according to rule, principle, or law.
To adjust to a particular specification or requirement.
To adjust a mechanism for accurate and proper functioning.
To put or maintain in order.