(baseball) A home run that does not leave the stadium.

plural of inside-the-park homer

Not even the most vigilant and expert are immune to error.

(medicine) A kind of pseudorosette in which differentiated tumor cells surround the neuropil.

plural of Homer-Wright rosette

Alternative form of even Homer nods

(US) A classroom where school pupils of the same age gather for registration, or for other purposes that are unrelated to class content. / (US) The collection of pupils who gather in such a room.

plural of homeroom

(baseball) Without having scored a homer (home run).

Of or relating to Homer, the Ancient Greek poet.