Available Definitions:
1) n. - A burdensome sense of responsibility; trouble caused by onerous duties; anxiety; concern; solicitude.
2) n. - Charge, oversight, or management, implying responsibility for safety and prosperity.
3) n. - Attention or heed; caution; regard; heedfulness; watchfulness; as, take care; have a care.
4) n. - The object of watchful attention or anxiety.
5) n. - To be anxious or solicitous; to be concerned; to have regard or interest; -- sometimes followed by an objective of measure.