Strong's #1350: diktuon (pronounced dik'-too-on)
 probably from a primary verb diko (to cast); a seine (for fishing):--net.
Thayer's Greek Lexicon:
 ́ 
 
  diktuon 
 
 1) a net
 
  Part of Speech: noun neuter
Relation: probably from a primary verb diko (to cast)
 
Usage:
This word is used 12 times:
Matthew 4:20: "they straightway left  their nets, and followed him."
Matthew 4:21: "father, mending their  nets; and he called them."
Mark 1:18: "straightway they forsook their  nets, and followed him."
Mark 1:19: "the ship mending  their nets."
Luke 5:2: "out of them, and were washing  their nets."
Luke 5:4: "and let down your  nets for a draught."
Luke 5:5: "thy word I will let down the  net."
Luke 5:6: "of fishes: and their  net broke."
John 21:6: "unto them, Cast the  net on the right side"
John 21:8: "cubits,) dragging the  net with fishes."
John 21:11: "and drew the  net to land full of great"
John 21:11: "and for all there were so many, yet was not the  net broken."