What is Touch?

Touch definition and meaning on Dictionary terms:
verb (used with object)
to put the hand, finger, etc., on or into contact with (something) to feel it: He touched the iron cautiously.
to come into contact with and perceive (something), as the hand or the like does.

to bring (the hand, finger, etc., or something held) into contact with something: She touched a match to the papers.
to give a slight tap or pat to with the hand, finger, etc.; strike or hit gently or lightly.
to come into or be in contact with.
Geometry. (of a line or surface) to be tangent to.
to be adjacent to or border on.
to come up to; reach; attain.
to attain equality with; compare with (usually used with a negative): a style that cannot touch that of Shakespeare.
to mark by strokes of the brush, pencil, or the like.
to mark or relieve slightly, as with color: a gray dress touched with blue.
to stop at (a place), as a ship: The ship touched shore several times during the cruise.
to treat or affect in some way by contact.
to affect as if by contact; tinge; imbue.
to affect with some feeling or emotion, especially tenderness, pity, gratitude, etc.: Their sufferings touched his heart.
to handle, use, or have to do with in any way (usually used with a negative): She can’t touch the money until she’s 21.
to eat or drink; consume; taste (usually used with a negative): He won’t touch another drink.
to lay hands on, often in a violent manner: Don’t you touch this child!
to deal with or treat in speech or writing.
to refer or allude to.
to pertain or relate to: a critic in all matters touching the kitchen.
to be a matter of importance to; make a difference to; affect: This grave decision touches all of us.
Metallurgy. to stamp (metal) as being of standard purity.
Slang. to apply to for money, or succeed in getting money from: He touched me for five dollars.
Slang. to steal from.
Archaic. to strike the strings, keys, etc., of (a musical instrument) so as to cause it to play or perform (an air, notes, etc.) on a musical instrument.

verb (used without object)
to place the hand, finger, etc., on or in contact with something.
to come into or be in contact.

to make a stop or a short call at a place, as a ship or those on board (usually followed by at).

the act or state of touching; state or fact of being touched.
that sense by which anything material is perceived by means of physical contact.

the quality of something touched that imparts a sensation: an object with a slimy touch.
a coming into or being in contact.
mental or moral perception, sensitivity, or understanding: He has a marvelous touch in dealing with people.
ability, skill, or dexterity; knack: to lose one’s touch.
Fencing. the contact of the point of a foil or