名詞 colloquium:

1. an academic meeting or seminar usually led by a different lecturer and on a different topic at each meeting
2. an address to an academic meeting or seminar

col.lo.qui.um

n.（名詞）
【復數】 col.lo.qui.ums 或 col.lo.qui.a [-kwô-…]
An informal meeting for the exchange of views.
討論：為交換意見的非正式的會晤
An academic seminar on a broad field of study, usually led by a different lecturer at each meeting.
學術討論會：一個廣泛研究領域內的學術專家討論會，通常在每次會議上由不同學者提起

來源：
Latin [conversation]
拉丁語 [談話]
from colloquo [to talk together]
源自 colloquo [一起談話]
com- [com-]
com- [前綴，表.一起.]
loquo [to speak] * see tolk w-
loquo [說] *參見 tolk w-