being in charge / being in charge of homeroom in a school / a homeroom teacher

be in charge / being in charge of homeroom

(archaic) new, novel / (archaic) latest, recent / (archaic) modern / (archaic) fresh

(obsolete) Alternative spelling of 新たし (aratashi): new, novel

(obsolete) Same as あたらし (atarashi) above

new, novel / latest, recent / modern / fresh

(software engineering) class diagram - A type of static structure diagram that describes the structure of a system by showing the system's classes, their attributes, and the relationships between the classes.

alas

interjection of surprise

exclamation / burp, belch