(physics, astronomy) The optical effect where the edge of the disk of a star appears darker than the center of the disk.

(physics, astronomy) The optical effect where, when certain wavelengths (not in the spectrum of visible light) are examined, the edge of the disk of a star appears brighter than the center of the disk.

Alternative form of limb-brightened

(archaic) Alternative form of limbmeal

(surgery) The efferent or antegrade limb of the Y that serves as the primary recipient of food after Roux-en-Y anastomosis.

(slang, archaic) A lawyer, or clerk articled to that profession.

(idiomatic) To take a risk. / (idiomatic) To hazard a guess.

present participle of go out on a limb

Third-person singular simple present indicative form of go out on a limb

simple past tense of go out on a limb