What is a dialectal and contraction

Dialectal has one definition:

Relating to or constituting a particular form or dialect of a language.

"dialectal variations in pronunciation"

Contraction has 4 definitions:

the process of becoming smaller.

"the general contraction of the industry did further damage to morale"

   the process in which a muscle becomes or is made shorter and tighter.

   "neurons control the contraction of muscles"

a shortening of the uterine muscles occurring at intervals before and during childbirth.

"she was now in no doubt that she was having contractions"

the process of shortening a word by combination or elision.

a word or group of words resulting from shortening an original form.

"“goodbye” is a contraction of “God be with you.”"

Explanation:

for the comment!

why does the crew join ahab's quest without hesitation?