Meanings

open letter (of inquiry)

development (work)

opening of a ceremony

public hearing

development block

dehiscence

drug development

first lighting of the hearth in a Zen temple (first day of the 10th or 11th month)

information discovery

anthesis

retractor

unguarded

general practitioner

open fracture

general practitioner in private practice

opening of a banquet

evacuation of school children (from major cities to more rural areas, esp. during late World War II)

start day for military operation

to be frank

punch-style can opener (punches a round or V-shaped hole in a can of liquid)