(US) Lumber that is finished/planed and cut to standardized width and depth specified in inches.

(physics) The radiant energy of the visible portion of a spectrum of light

plural of lumbar puncture

(medicine) A diagnostic and at times therapeutic procedure performed to collect a sample of cerebrospinal fluid for biochemical, microbiological, and cytological analysis, or rarely to relieve increased intracranial pressure.

(physics) A measure of the power emitted by a source of light; equal to the flux density per solid angle

plural of lumber yard

To put different items or groups together and regard or treat them as one single group.

(colloquial) To endure, accept, put up with a situation one does not like.

(colloquial) To accept a situation whether one agrees with it or not.

On the point of crying due to strong emotion, either happy or sad.