The difference between Take off and Touch down

When used as verbs, take off means to remove, whereas touch down means to land an aircraft or spacecraft.

check bellow for the other definitions of Take off and Touch down

Take off as a verb (transitive):

To remove.

Examples:

"He took off his shoes''."

"The test grader takes off a point for every misspelled word."

"Tomorrow the doctor will take the cast off her arm."
Take off as a verb (transitive):

To imitate, often in a satirical manner.
Take off as a verb (intransitive, of an aircraft or spacecraft):

To leave the ground and begin flight; to ascend into the air.

Examples:

"The plane has been cleared to take off from runway 3."
Take off as a verb (intransitive):

To become successful, to flourish.

Examples:

"The business has really taken off this year and has made quite a profit."
Take off as a verb (intransitive):

To depart.

Examples:

"I'm going to take off now."

"Take off, loser!"
Take off as a verb (transitive):

To quantify.

Examples:

"I'll take off the concrete and steel for this construction project."
Take off as a verb (transitive):

To absent oneself from work or other responsibility, especially with permission.

Examples:

"If you take off for Thanksgiving you must work Christmas and vice versa."

"He decided to let his mother take a night off from cooking, so he took her and his siblings out to dinner."
Take off as a verb (intransitive, slang, dated):

To take drugs; to inject drugs.
Take off as a verb (transitive, slang, dated):

To steal (something) or rob (someone).

Touch down as a verb (aviation):

To land an aircraft or spacecraft.

Examples:

"The plane will touch down in Heathrow at about 2 o'clock''."
Touch down as a verb (American football):

To score a touchdown
Touch down as a verb (rugby):

To score a try.