What is the meaning of L.?

Abbreviation of leaf.

Abbreviation of line.

Abbreviation of pound (sterling), derived from Latin libra.

Abbreviation of left.

abbreviation of eli (“that is; also known as; or”)

abbreviation of luku (“decade, century, millennium”)

abbreviation of luvut (“decades, centuries, millennia”)

abbreviation of links

abbreviation of lateinisch

abbreviation of lies and of the Latin lege (imperatives both meaning “read”)

abbreviation of lap (“page, sheet”)

abbreviation of lakos (“inhabitant”)

abbreviation of levelező (“corresponding”)

abbreviation of lásd (“see [imperative]”); also ld.

abbreviation of liber

(person of a verb)

list (sheet, leaf, page)

abbreviation of eller (“or”)

Source: wiktionary.org