LENS n.
e other plane, and commonly used, either singly or combined, in optical instruments, for changing the direction of rays of light, and thus magnifying objects, or otherwise modifying vision. In practice, the curved surfaces are usually spherical, though rarely cylindrical, or of some other figure. Lenses…
MARROW n.
One of a pair; a match; a companion; an intimate associate. [Scot.] Chopping and changing I can not commend, With thief or his marrow, for fear of ill end. Tusser. Marrow squash (Bot.), a name given to several varieties of squash, esp. to the Boston marrow, an ovoid fruit, pointed at both ends, and with reddish yellow…