homer

Etymology 1

From Hebrew חומר / חֹמֶר (khómer, “clay, heap, large unit of volume”).

noun

1. (historical units of measure) A former Hebrew unit of dry volume, about equal to 230 L or 6+¹⁄₂ US bushels.
   Head up! For every newbegotten thou shalt gather thy homer of ripe wheat. 1922, James Joyce, Ulysses
2. (historical units of measure) Synonym of cor: approximately the same volume as a liquid measure.

Etymology 2

From home + -er.

noun

1. (US, baseball) A home run
   The first baseman hit a homer to lead off the ninth.
2. (US, colloquial) Synonym of home run (“sexual intercourse”)
   Fast forward to Chase's base. Where Chase hit a homer, first at bat. Becca thrived off being sexy, having sex, watching sex. 2019, M. R. Biggs, Not 4 $ale
   “So you hit a homer, huh?” she asked, confused by his misery. Colm nodded. “Best sex I've had in a long time. Maybe ever.” 2020, Mari Carr, Wild Night
3. (US) A homing pigeon.
   Each of the pigeon fanciers released a homer at the same time.
4. (US, sports) A person who is extremely devoted to a favorite team.
   Joe is such a homer that he would never boo the Hometown Hobos, even if they are in last place in the league.
5. A homing beacon.
   Two general types of homer systems are in use, active homers and passive homers. Active homers contain a transmitting device which emits energy that is directed towards the target. 1961, RCA Service Company, Digest of Military Electronics, page 75

verb

1. (US, baseball) To hit a homer; to hit a home run.
   The Sultan of Swat homered 714 times.