countersunk (of screws, rivets etc)

to lower the head (e.g. to avoid rain)

bury onself in (books, etc); immerse oneself in (work, etc)

move closer/nearer to; close in/up

finish up; close out; settle (an account)

closer together; nearer to

conceal; hide; lie low

even; too; also; as well

bury; cover up; lay sth underground

(verb) 1. to complete; 2. to settle; (verb) to join in (a group); (adverb) 1. as well; 2. also; 3. and

the brain