(uncountable) A great amount of amusement, usually accompanied by laughter. / (countable) Something that induces laughter.

Relating to or near a hilum.

plural of hilarity

(mycology) The part of a spore which attaches to the sterigmata at the end of a basidium.

(mycology) The part of a spore which attaches to the sterigmata at the end of a basidium.

plural of hilar appendage

plural of hilar appendix