Meanings

to round up

stamp collecting

collecting maniac

set description

coded character set

collection of essays contributed in celebration of something

collector

meeting place

(powers of) concentration

living in a group

time appointed for meeting (assembling)

closely-packed series of lectures

(making, launching) concentrated attack (on, against)

group action

collection of literary sketches

collection of essays (miscellaneous writings, literary jottings, etc.)

short, intensive course

collection of short stories

editorial office

collected waka poems (of a single poet)