a streak of light in the sky at night that results when a meteoroid hits the earth's atmosphere and air friction causes the meteoroid to melt or vaporize or explode
one skilled in caring for young children or the sick (usually under the supervision of a physician)
try to cure by special care of treatment, of an illness or injury; "He nursed his cold with Chinese herbs"
treat carefully; "He nursed his injured back by lying in bed several hours every afternoon"; "He nursed the flowers in his garden and fertilized them regularly"
serve as a nurse; care for sick or handicapped people
make submissive, obedient, or useful; "The horse was tough to break"; "I broke in the new intern"
break so as to call inward; "He broke in the door"
start in a certain activity, enterprise, or role
intrude on uninvited; "The nosy couple broke in on our conversation"
enter someone's property in an unauthorized manner, usually with the intent to steal or commit a violent act; "Someone broke in while I was on vacation"; "They broke into my car and stole my radio!"
the flash of light that accompanies an electric discharge in the atmosphere (or something resembling such a flash); can scintillate for a second or more
abrupt electric discharge from cloud to cloud or from cloud to earth accompanied by the emission of light
the action of directing something at an object; "he took aim and fired"
the goal intended to be attained (and which is believed to be attainable); "the sole object of her trip was to see her children"
propose or intend; "I aim to arrive at noon"
direct (a remark) toward an intended goal; "She wanted to aim a pun"
aim or direct at; as of blows, weapons, or objects such as photographic equipment; "Please don't aim at your little brother!"; "He trained his gun on the burglar"; "Don't train your camera on the women"; "Take a swipe at one's opponent"
the act of changing location from one place to another; "police controlled the motion of the crowd"; "the movement of people from the farms to the cities"; "his move put him directly in my path"
a change of position that does not entail a change of location; "the reflex motion of his eyebrows revealed his surprise"; "movement is a sign of life"; "an impatient move of his hand"; "gastrointestinal motility"
a formal proposal for action made to a deliberative assembly for discussion and vote; "he made a motion to adjourn"; "she called for the question"
a state of change; "they were in a state of steady motion"
a high gear used at high speeds to maintain the driving speed with less output power
the state of high or excessive activity or productivity or concentration; "Troops are ready to go into overdrive as soon as the signal is given"; "Melissa's brain was in overdrive"
drive or work too hard; "The teacher is overworking his students"; "Overdriving people often suffer stress"
a single undivided whole; "an idea is not a unit that can be moved from one brain to another"
an organization regarded as part of a larger social group; "the coach said the offensive unit did a good job"; "after the battle the soldier had trouble rejoining his unit"
a single undivided natural thing occurring in the composition of something else; "units of nucleic acids"
an individual or group or structure or other entity regarded as a structural or functional constituent of a whole; "the reduced the number of units and installations"; "the word is a basic linguistic unit"