to go in; to enter into.

the liquid part of a fruit or vegetable.

that which makes something what it is; the intrinsic, fundamental nature or most important quality (of something); essential being.

to go or come in; to enter into.

to draw inwards.

to become smaller or contract as from fear, heat, etc.

to go back or retreat from fear or lack of confidence.

a kind of herb.

to retreat - a) to go back or backward; to withdraw in the face of opposition or from a dangerous or unpleasant situation; b) to withdraw to a safe or private place.

to collapse; to break down suddenly; to give way.

to hide oneself.