Definitions:
be constantly or visibly anxious

gradually wear away (something) by rubbing or gnawing

flow or move in small waves

a state of anxiety

a repeating ornamental design of vertical and horizontal lines, such as the greek key pattern.

a device of narrow diagonal bands interlaced through a diamond.

decorate with fretwork

each of a sequence of bars or ridges on the fingerboard of some stringed musical instruments (such as the guitar), used for fixing the positions of the fingers to produce the desired notes.

play (a note on a stringed instrument) while pressing the string down against a fret

provide (a stringed instrument) with frets.

a mist coming in off the sea; a sea fog