Meaning

noun an academic meeting or seminar usually led by a different lecturer and on a different topic at each meeting

noun an address to an academic meeting or seminar

originEtymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Latin con- Latin loquor Latin colloquor Proto-Indo-European *-yós Proto-Italic *-ios Old Latin -ios Latin -ius Latin -ium Latin colloquium English colloquium From Latin colloquium. Doublet of colloquy. Equivalent to colloquy + -ium.

Etymology from Wiktionary, CC BY-SA 3.0