lute
- n a substance for packing a joint or coating a porous surface to make it impervious to gas or liquid
- n chordophone consisting of a plucked instrument having a pear-shaped body, a usually bent neck, and a fretted fingerboard
luteal phase
- n the second half of the menstrual cycle after ovulation; the corpus luteum secretes progesterone which prepares the endometrium for the implantation of an embryo; if fertilization does not occur then menstrual flow begins
lutecium
- n a trivalent metallic element of the rare earth group; usually occurs in association with yttrium
lutefisk
- n dried cod soaked in a lye solution before boiling to give it a gelatinous consistency
lutein
- n yellow carotenoid pigments in plants and animal fats and egg yolks