spike 2 
(spīk)
(spīk)n.
1. An ear of grain, as of wheat.
2. Botany A usually elongated, unbranched inflorescence with stalkless flowers arranged along an axis.
[Middle English, from Latin spīca.]
- phototonic
- phototonus
- phototoxic
- phototoxicity
- phototransistor
- phototroph
- phototrophic
- phototrophically
- phototropic
- phototropism
- phototube
- phototypesetter
- phototypesetting
- phototypography
- photovoltaic
- photovoltaic cell
- PHP
- phr.
- phragmites
- phrasal
- phrasally
- phrasal verb
- phrase
- phrase book
- phrasemaker