Dig vs. Excavation

Difference Between Dig and Excavation
Digverb
To move hard-packed earth out of the way, especially downward to make a hole with a shovel. Or to drill, or the like, through rocks, roads, or the like. More generally, to make any similar hole by moving material out of the way.should this be split into senses?
They dug an eight-foot ditch along the side of the road.In the wintertime, heavy truck tires dig into the road, forming potholes.If the plane can't pull out of the dive it is in, it'll dig a hole in the ground.My seven-year-old son always digs a hole in the middle of his mashed potatoes and fills it with gravy before he starts to eat them.Excavationnoun
(uncountable) The act of excavating, or of making hollow, by cutting, scooping, or digging out a part of a solid mass.
Digverb
(transitive) To get by digging; to take from the ground; often with up.
to dig potatoesto dig up goldExcavationnoun
(countable) A cavity formed by cutting, digging, or scooping.
Digverb
(mining) To take ore from its bed, in distinction from making excavations in search of ore.
Excavationnoun
(countable) An uncovered cutting in the earth, in distinction from a covered cutting or tunnel.
Digverb
To work like a digger; to study ploddingly and laboriously.
Excavationnoun
(countable) The material dug out in making a channel or cavity.
Digverb
(figurative) To investigate, to research, often followed by out or up.
to dig up evidenceto dig out the factsExcavationnoun
(uncountable) Archaeological research that unearths buildings, tombs and objects of historical value.
Digverb
To thrust; to poke.
He dug an elbow into my ribs and guffawed at his own joke.Excavationnoun
(countable) A site where an archaeological exploration is being carried out.
Digverb
(volleyball) To defend against an attack hit by the opposing team by successfully passing the ball
Excavationnoun
the act of digging;
there's an interesting excavation going on near PrincetonDigverb
(slang) To understand or show interest in. should this be split into two senses?
You dig?Excavationnoun
the site of an archeological exploration;
they set up camp next to the digDigverb
(slang) To appreciate, or like.
Baby, I dig you.Excavationnoun
a hole in the ground made by excavating
Dignoun
An archeological or paleontological investigation, or the site where such an investigation is taking place.
Excavationnoun
the act of extracting ores or coal etc from the earth
Dignoun
A plodding and laborious student.
Dignoun
A thrust; a poke.
He guffawed and gave me a dig in the ribs after telling his latest joke.Dignoun
A tool for digging.
Dignoun
(volleyball) A defensive pass of the ball that has been attacked by the opposing team.
Dignoun
A cutting, sarcastic remark.
Dignoun
A rare or interesting vinyl record bought second-hand.
a £1 charity shop digDignoun
Digoxin.
dig toxicityDignoun
the site of an archeological exploration;
they set up camp next to the digDignoun
an aggressive remark directed at a person like a missile and intended to have a telling effect;
his parting shot was `drop dead'she threw shafts of sarcasmshe takes a dig at me every chance she getsDignoun
a small gouge (as in the cover of a book);
the book was in good condition except for a dig in the back coverDignoun
the act of digging;
there's an interesting excavation going on near PrincetonDignoun
the act of touching someone suddenly with your finger or elbow;
she gave me a sharp dig in the ribsDigverb
turn up, loosen, or remove earth;
Dig we mustturn over the soil for aerationDigverb
create by digging;
dig a holedig out a channelDigverb
work hard;
She was digging away at her math homeworkLexicographers drudge all day longDigverb
remove the inner part or the core of;
the mining company wants to excavate the hillsiteDigverb
poke or thrust abruptly;
he jabbed his finger into her ribsDigverb
get the meaning of something;
Do you comprehend the meaning of this letter?