Noah Webster
Lax
LAX, adjective [Latin laxus.]
1. Loose; flabby; soft; not tense, firm or rigid; as lax flesh; a lax fiber.
2. Slack; not tight or tense; as a lax cord.
3. Not firly united; of loose texture; as gravel and the like laxer matter.
4. Not rigidly exact; as a lax moral discourse.
5. Not strict; as lax morals.
6. Loose in the bowels; having too frequent discharges.
LAX, noun
1. A looseness; diarrhea.
2. A species of fish or salmon. [Not in use.]