To free (someone) from debt or legal obligations; to give legal relief to.
To ease (someone, a part of the body etc.) or give relief from physical pain or discomfort.
To ease (a person, person's thoughts etc.) from mental distress; to stop (someone) feeling anxious or worried, to alleviate the distress of.
To release (someone) from or of a difficulty, unwanted task, responsibility etc.
To alleviate (pain, distress, mental discomfort etc.).
To urinate or defecate.
To ease one's own desire to orgasm, often through masturbation to orgasm.
To bring military help to (a besieged town); to lift the siege on.
To free (someone) from their post, task etc. by taking their place.
To provide comfort or assistance to (someone in need, especially in poverty).
To exchange (something or someone) for an unused (or less-used) equivalent.
To exchange (something) for (something else). (usually followed by with or for)
To transfer (memory contents) into a swap file.
Anything that is swapped out for another; an exchange.
A pre-prepared food item used in place of an unfinished food item in order to cut down the overall preparation time during filming.