The following 13 concise definitions describe words of 3 to 15 letters, each beginning by L and terminating by L.
The words are mostly adjectives.
The answer for 8 letter word fitting "pertaining to tears" definition would be lacrimal.
Clearly, there is another definition in the list below (presented in randomized order):

* alphabetical
* running lengthwise
* a period of calm weather
* favoring reforms, not orthodox
* morbidly drowsy, dull
* acronym for laughing out aloud
* a vagabond, a good-for-nothing
* legal, authorized
* one of the 2 official Scandinavian languages
* producing milk
* impractical, indolent
* having a bill like ducks and geese
* the seacoast just sighted on voyage

Good luck, folks!