open

²open

verb

openedopen·ing

Definition of OPEN

transitive verb

1

a : to make available for entry or passage by removing (as a cover) or clearing away (as an obstruction) b : to free (a body passage) of congestion or occlusion <an inhalator for opening congested nasal passages> <open clogged arteries>

2

: to make one or more openings in <opened the boil>

intransitive verb

: to spread out <the wound opened>