Anagrams of: YPKLE

• metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated

• United States lawyer and poet who wrote a poem after witnessing the British attack on Baltimore during the War of 1812; the poem was later set to music and entitled `The Star-Spangled Banner' (1779-1843)

• something crucial for explaining

• pitch of the voice

• any of 24 major or minor diatonic scales that provide the tonal framework for a piece of music

• a kilogram of a narcotic drug

• a winged often one-seed indehiscent fruit as of the ash or elm or maple

• a coral reef off the southern coast of Florida

• (basketball) a space (including the foul line) in front of the basket at each end of a basketball court; usually painted a different color from the rest of the court

• a list of answers to a test

• a list of words or phrases that explain symbols or abbreviations

• a generic term for any device whose possession entitles the holder to a means of access

• mechanical device used to wind another device that is driven by a spring (as a clock)

• the central building block at the top of an arch or vault

• a lever (as in a keyboard) that actuates a mechanism when depressed

• serving as an essential component

• identify as in botany or biology, for example

• provide with a key

• vandalize a car by scratching the sides with a key

• regulate the musical pitch of

• harmonize with or adjust to

• large brown seaweeds having fluted leathery fronds

• a sharp high-pitched cry (especially by a dog)

• bark in a high-pitched tone

• Yes.

• Yes.

• one of the strands twisted together to make yarn or rope or thread; often used in combination

• (usually in combinations) one of several layers of cloth or paper or wood as in plywood

• give what is desired or needed, especially support, food or sustenance

• apply oneself diligently

• travel a route regularly

• join together as by twisting, weaving, or molding

• wield vigorously

• use diligently